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It’s trivially simple to be snared by hydrogen for vitality. Then it’s simple to start out fixing the issues of hydrogen for vitality. Then it’s simple to wave away an issue set of hydrogen for vitality as not your concern. After which remedy extra of the issues for vitality. And wave away one other group of issues as one thing another person will remedy. After which remedy one more drawback with hydrogen for vitality.
After which you might be on the backside of certainly one of many slippery slopes within the area of hydrogen as an vitality service and don’t know how you bought there or the right way to get out. Your coronary heart remains to be in the precise place, working towards an answer for local weather change, however your thoughts and sure cash, profession, agency and fairly in all probability inventory worth are caught down a rabbit gap of your individual devising which is at present hindering local weather motion.
Let’s begin this journey in a sixth or seventh grade classroom. Proto-men and -women are gathered round lab benches in faculties. They’ve water and electrical energy. They usually make hydrogen. They show that they do by burning it. That is an experiment that may be carried out with a cup of water and a 9V battery. It’s trivially simple. Making vitality from water! What a rush!
And you then discover out it’s clear burning! Water vapor and nothing else. You discover out that it’s extremely vitality dense, with each kilogram having as a lot vitality as a gallon or nearly 4 liters of gasoline.
You hear about world warming and fossil fuels. You join dots. You develop into satisfied, as so many have earlier than you, that hydrogen is an answer to the worldwide warming drawback of vitality from fossil fuels. It appears really easy?
You discover books like The Hydrogen Financial system and articles and discover gushing press releases about gas cell vehicles. You develop into satisfied that that is the place you need to make your mark, the place you need to contribute.
So that you go on in your schooling after which profession, working towards the clearly superior hydrogen economic system. You create a hydrogen vitality product or a agency or develop into a senior chief in a agency that’s working within the area. After which the issues actually begin.
Mercedes-Benz Group is filled with folks intent on exploring each engineering possibility at nice expense, from the board of administrators to technicians. Metropolitan Vancouver, the place I reside, is filled with folks doing this type of work for Ballard Energy, HTEC, Teralta, and plenty of different corporations. Nikola is filled with folks working to discover each failure situation regardless of years of ache. That is their story.
Don’t let it’s your story. Whether it is already your story, begin working in your exit technique if you happen to haven’t already.
So, what’s the first drawback?
Hydrogen is certainly vitality dense by mass, however not by quantity. It’s an extremely diffuse fuel. That kilogram takes up 12 cubic meters or so at room temperature and strain. Against this, a gallon of gasoline takes up 0.004 cubic meters, about 3,000 occasions much less room.
So the primary drawback you run into is that hydrogen is way too diffuse to be helpful in its regular state. It’s a lot lighter than air as effectively, so if you happen to let it escape, it is going to merely disappear upward at an awesome fee. That’s why it was utilized in zeppelins and blimps.
It’s a tiny little molecule as effectively, which signifies that it’s an escape artist. Hermetic containers aren’t hydrogen-tight. It treats balloons and screw-on lids as minor inconveniences, velocity bumps at greatest. Hydrogen molecules are even smaller in comparison with gasoline or diesel molecules.
And that room temperature and strain factor is an issue too. Gasoline and diesel, along with being such large molecules that you would be able to virtually carry them in a sieve, are liquid at room temperature and strain, and on very massive ranges on both aspect as effectively. That signifies that they’re extremely handy to deal with and retailer. Dense, liquid, and massive molecules that simply sit there are very nice to work with.
And so, job one for you is to construct every thing with vastly tighter tolerances than is used for the fuels we use at present. That’s okay, you’re working in a well-equipped lab and there are tanks of hydrogen sitting round and flasks designed for them. Not your drawback. However actually an issue outdoors of the lab, the place each element concerned within the motion and storage of hydrogen needs to be designed, constructed, and maintained to these very exact tolerances.
So, you’ve got a flask that’s hydrogen tight, but it surely incorporates nearly no hydrogen when full. Job two is to determine the right way to make hydrogen quite a bit much less diffuse.
And so that you construct or purchase a hydrogen compressor. When you construct one, you need to construct one thing able to very excessive pressures and really tight tolerances. When you purchase one, you get sticker shock. This isn’t a $40 air compressor for automobile tires you may get on Amazon. No, an inexpensive hydrogen compressor that may obtain 300 atmospheres of strain, the equal of being 3 kilometers below the floor of the ocean, will set you again near $10,000, if you happen to order 50 of them at a time from Alibaba.
That can assist you to put 20 kilograms of hydrogen in a cubic meter of area. That’s higher! Till you understand that you would be able to put about 290 gallons of gasoline in the identical area. You possibly can put 25 fuel tanks value of gasoline right into a cubic meter.
That’s simply not going to get you down the street, or assist you to preserve a number of hydrogen round.
At this level, a bunch of individuals simply surrender. However not you!
You say, no drawback, let’s simply enhance the strain! Again to Alibaba you go, the place you may get a 700 ambiance hydrogen compressor for $25,000. That’s the equal of being 7 kilometers underwater and you may put it in a storage — when you have an enormous storage and nothing else you need to put in it.
Then, in fact, you need to rework each single element as a result of tolerances and engineering that labored at 300 atmospheres don’t work at 700 atmospheres. Increased high quality metal and gaskets. Even tighter machining. Much more expense.
Sooner or later in there you discover out the laborious means that compressors fail recurrently. You is perhaps feeling this simply within the $25,000 chunks of change leaving your capital account. Otherwise you is perhaps proven the statistics that in California and all over the place else, compressors at hydrogen refueling stations are the one greatest reason behind failures and the stations are sometimes out of service.
Extra folks simply throw up their palms, however not you.
You say there needs to be a greater means. And so that you begin options to this very costly, very difficult-to-build, very expensive-to-maintain compression and storage gear.
You ask your self, possibly we are able to simply flip it right into a liquid? Then we are able to deal with it identical to we deal with gasoline or diesel. that gases flip into liquids while you chill them. You might need labored with liquid carbon dioxide, oxygen, or nitrogen earlier than. that these gases develop into liquids at -57°, -183°, and -196° Celsius respectively. They’re fairly frequent. How laborious can it’s to show hydrogen into an simply dealt with liquid?
You then take a look at it. -253° Celsius. A lot colder than the opposite gases. Solely 20° above absolute zero. Solely 17° hotter than outer area between the celebrities. Oh, and there’s one other catch. Once you make liquid hydrogen, about 25% of it’s steady, however 75% of it has its electrons aligned in an unstable means that finally collapses to be steady. Nevertheless it releases warmth when it does that, which turns the hydrogen again right into a fuel. So you need to do extra chilling to beat that as effectively.
Extra folks say sufficient, however not you!
Ultimately, you’ve got steady liquid hydrogen! Wonderful. So what if it takes a full third of the vitality within the hydrogen to sit back it right down to this absurd temperature. That’s a small worth to pay for a liquid you’ll be able to pump across the place.
You flip off the lights and head house, happy and looking out ahead to a celebratory dinner. However while you come again within the morning, there’s no liquid hydrogen.
Oh, proper, stuff that’s 20° above absolute zero is a large vacuum for warmth, sucking it in as quickly as attainable and with each bit of warmth, a bit extra hydrogen turns again right into a fuel and escapes. Fortunately, nothing sparked otherwise you wouldn’t have a lab left.
Again to the engineering workshop, the place you design and construct globular, closely insulated, mirror completed tanks. That’s what’s required to merely restrict the speed at which hydrogen turns again right into a fuel to a considerably manageable fee. In actual fact, the larger the tank, the higher, as you discover out quickly.
Actually quickly. In actual fact, small mirror ball tanks neglected in room temperature below LED lights nonetheless lose a number of hydrogen. So, you construct larger tanks once more. And you then construct a set of elements that seize the venting hydrogen and recompress it, bringing you to the purpose the place you now have all of the challenges of liquid hydrogen and compressed hydrogen on the similar time.
Extra folks depart the constructing, however not you. You’ve obtained what it takes!
You go searching extra broadly. The fundamentals of temperature and strain have been exhausted. However possibly a wholly new department of science?
You return to high school and get a PhD in natural chemistry. hydrogen binds with natural molecules and that compounds of hydrogen will be liquids at room temperature. In spite of everything, water is a compound of oxygen and hydrogen and it’s a liquid at most of the ranges of temperatures people reside in.
Certain sufficient, you discover that natural compounds like toluene, dibenzyltoluene, n-ethyl carbazole, and different polysyllabic phrases you’ve got come to consider as regular can have hydrogen added to them by placing them below what you’ve come to consider as very affordable pressures of 30 to 50 atmospheres within the presence of unique catalysts. And out come substances just like the equally mellifluous methylcyclohexane, which is a steady liquid. You don’t actually discover the folks edging away from you at social occasions, however you might be actually seduced by natural chemistry, so why fear about different seductions?
You then attempt to get the hydrogen again out. That requires warmth. Quite a lot of warmth. A lot warmth in reality that you’re again to throwing away a full third of the vitality within the hydrogen to run the method. And the hydrogen is contaminated, so you need to purify it once more. However you may make the method extra environment friendly by storing the warmth from making the stuff to make use of while you need the hydrogen again. Extra designing, extra constructing, extra elements, extra value.
Oh, the thought is to make use of the liquid to ship the hydrogen some place else and the warmth is left behind. Huh. A lot for warmth restoration.
Extra folks depart the constructing at this level, however not you! You’ve gotten grit, you’ve got willpower. And so that you forged your eyes across the periodic desk. You keep in mind that hydrogen reacts with metals as effectively.
Again to high school you go, to get a PhD in metallurgy. Not the place you anticipated to finish up while you began, however you hadn’t been anticipating to cope with absurd pressures and temperatures both.
You uncover metallic hydrides, the metallic equal of the natural oxides out of your deep, deep foray into natural chemistry. Phrases like lithium hydride, lithium aluminum hydride, sodium borohydride, and ammine borane now circulation out of your lips. You’ll be able to certainly mix metals like lithium and sodium with hydrogen, and identical to with the natural compounds, issues get scorching. Uh oh, you suppose. I’ve been right here earlier than.
Sure, to get the hydrogen again out, you need to add in all of that warmth. And you need to cope with the strain drawback too, as a result of hydrogen is popping again right into a fuel in a container filled with metallic. In fact, the warmth that got here out while you put the hydrogen in is lengthy gone if you happen to truly need to transfer the metallic hydride anyplace too.
And you might be solely seeing hydrogen representing 1% to 2% of the mass of the metallic being taken up.
Extra folks depart the constructing. Often it’s hours earlier than you see one other particular person. However you follow it, inventing increasingly arcane compound hydrides, making an attempt to nudge the storage greater, and also you handle it.
So now you’ll be able to retailer affordable quantities of hydrogen in plenty of very costly and heavy metals. Huh. The purpose was to create an affordable distribution and storage mechanism for a lightweight fuel, and now, after you’re employed out the maths, you’ve got a really heavy and costly one which isn’t any higher in the actual world than liquid hydrogen or closely compressed hydrogen.
And it takes a very long time to “fill the tank” too, hours in reality.
Oh effectively, you’ve got a toolkit of various hydrogen storage strategies, all unhealthy, however possibly they’ll be okay for various purposes. Now it’s time to start out making a lot of hydrogen to place in them! How laborious might it’s? You probably did it in seventh grade, in any case.
The very first thing you discover out is that every one the hydrogen you’ve been enjoying with within the lab as you tried and failed to determine the right way to retailer sufficient of the stuff cheaply is actually fairly filthy. It’s all produced from pure fuel utilizing steam reformation.
What’s that, you ask. Mainly a bunch of water and pure fuel are piped to wherever the hydrogen is required. A bunch of the pure fuel is utilizing to boil the water to make steam. Then extra of the pure fuel is combined with the steam. That breaks the bonds of the methane within the pure fuel, which is a very startlingly easy carbon and 4 hydrogen atoms molecule, at the least after your foray into natural chemistry. The hydrogen will get captured and the carbon makes use of all that pretty warmth to bind with oxygen from the air to make carbon dioxide. Oops.
A lot for clear burning, solely water out the tailpipe. The pure fuel, you discover, has upstream methane leakage and methane is a very potent greenhouse fuel, about 89 occasions worse over 20 years than carbon dioxide. And the steam reformation course of between burning the pure fuel and the chemical processes themselves pump out a bunch of carbon dioxide too. The mixture signifies that each kilogram of hydrogen comes with 10 to 12 kilograms of carbon dioxide or equal.
That makes you a bit queasy, as you’ve simply spent a decade fritzing round with the stuff and casually venting it to the ambiance while you’re completed. Oh, wait. You get a information replace that hydrogen itself is a greenhouse fuel, albeit not directly. It prevents that potent methane from breaking down as quick so it’s about 11-12 occasions worse than carbon dioxide. You’re actually glad you needed to spend all that point engaged on extremely tight tolerance — and extremely costly — tanks, hoses and couplings.
Manufacturing hydrogen at present is a worldwide warming drawback on the dimensions of all of aviation. That’s actually not what you anticipated while you began this journey. You thought it was all being made the identical means you probably did in Grade 7. Fairly annoying to search out out that approaching 0% of the hydrogen used at present is definitely made that means and that there’s a 100-120 million tons of hydrogen local weather drawback to wash up.
Okay, you need to make hydrogen in a cleaner means. Let’s simply seize the entire carbon dioxide from the pure fuel and water course of. Oh, that’s two totally different units of gases, as a result of you need to stick one assortment system on the burner for the pure fuel and one other assortment system on the highly regarded water vapor and carbon dioxide combined with different stuff popping out of the chemical course of.
No drawback, folks have been capturing carbon dioxide for 150 years in industrial processes as feedstocks to subsequent steps. ExxonMobil has been tooting its personal horn for all of the tens of millions of tons of carbon dioxide it pumps underground in Texas every year. This received’t require a PhD, you suppose, I’ll simply have to purchase some elements off the shelf and slap them collectively.
So that you do this. Huh. That takes much more vitality to run all of that. In actual fact, the largest drawback is getting the carbon dioxide out of no matter you captured it in. You must make much more steam to unclog the pores of the Corning sorbent or to interrupt the carbonate bonds, which requires a number of vitality out of your natural chemistry PhD.
And that vitality has to come back from someplace, so you might be burning much more pure fuel and capturing much more carbon dioxide. That’s a little bit of vicious circle.
However at the least it’s capturing the entire greenhouse gases, you suppose. Hmmm, possibly it is best to measure that. Oh, you discover, the carbon seize resolution is simply capturing about 85% of the carbon dioxide, at the least when it’s working, as typically it will get switched off when nobody is trying. No drawback, you suppose, I’ll simply bolt a 3rd carbon seize resolution on and push the remaining gases by way of that! As much as 98% or 99% now, which is nice sufficient for getting on with.
Oh wait, extra vitality, burning extra pure fuel. However at the least you’ve got all of the carbon dioxide. Wait, what are you going to do with it? Texas is a good distance away and also you understand that ExxonMobile’s claims are literally about pulling carbon dioxide out of the bottom in a single place and placing it again underground in one other place to get extra oil out, in order that’s not an answer.
No drawback, again to high school to get a geology PhD. Okay, now the place you’ll be able to put that completely large quantity of carbon dioxide, which as a result of it’s filled with oxygen from the ambiance, is way heavier than the pure fuel that powers the method. And there’s much more of it quantity clever as effectively. Huh. There are quite a bit fewer locations to place it than you thought, so you’ll have to drill much more holes and do much more engineering. No drawback! Somebody will do this. You simply should get the carbon dioxide to the websites.
Time to construct a pipeline. A lot of pipelines it seems, as a result of locations the place hydrogen is manufactured and used are normally nowhere close to locations the place it’s remotely handy and low-cost to retailer carbon dioxide underground. What number of kilometers of pipelines does the EU suppose are going to be required? 19,000! That’s fairly near the size of all the massive highways in Europe, you suppose. And much more than the high-speed rail on the continent. Appears a bit iffy.
However at the least it’s simply carbon dioxide. That stuff isn’t poisonous, so if a pipeline bursts, nobody will likely be in danger. Then your natural chemistry PhD kicks you within the head with the reminiscence that carbon dioxide is heavier than the combination of oxygen and nitrogen we breathe and that it sinks to the bottom till it diffuses. And that the pipelines should be filled with liquid carbon dioxide as a result of that’s nearly 600 occasions as dense as gaseous carbon dioxide so it’s cheaper to ship.
And identical to liquid hydrogen, liquid carbon dioxide loves to show again right into a fuel. You do an idle Google search and begin studying about Satartia, Mississippi, the place a type of pipelines used to help in getting extra oil out of the bottom burst in 2020. Dozens unconscious or on the verge of it from asphyxiation, some thrashing on the bottom. Lots of evacuated. Inner combustion engines in vehicles didn’t work both. Yikes, the pipeline burst 1.6 kilometers from the middle of the tiny city, inhabitants 41 and concentrations of carbon dioxide hours after the occasion had been nonetheless within the tens of hundreds of components per million. Well being considerations begin at 5,000 components per million and it seems that folks begin getting silly lengthy earlier than that degree.
No means that’s going to work in the actual world the place the pipelines must undergo closely populated areas. The general public well being danger is simply too nice. You marvel why anybody is contemplating this insanity as you return to the drafting board, after a fast and lonely lunch within the cafeteria.
Okay, Grade 7 time. Let’s make us some hydrogen from water and electrical energy, you suppose! Clearly a nine-volt battery received’t do. To get actual portions of hydrogen, we’re going to wish multi-megawatt energy feeds. And we’re going to wish an electrolyzer. And a few gear to take away water vapor from the hydrogen. And pumps for the water. And energy administration gear for the electrical energy.
And we’d like all these compressors and tanks we spent a lot time constructing what looks as if a long time in the past. Huh. That is beginning to look costly.
You pull out a serviette and a Bic pen. You begin scribbling. About 55 MWh for a ton of hydrogen. That’s quite a bit and prices an terrible lot at industrial electrical energy costs. After which you need to pay for all that costly gear. You understand that the electrolyzer is simply 1 / 4 of the full capital value while you add within the steadiness of plant. No drawback, if you happen to run the gear 24/7/365 you suppose.
Nonetheless, that’s actually costly hydrogen, effectively over $10 per kilogram at grid retail costs, simply to make it, by no means thoughts do something with it. You suppose it is best to examine the carbon debt of the electrical energy too. Oops. At 200 grams of carbon dioxide per kWh, a fairly good degree in most components of the world, that’s 11 tons of carbon dioxide for each ton of hydrogen. The European common is round 250 grams, ignoring Poland’s coal crops, so it’s truly 14 tons. That’s worse than simply utilizing the pure fuel and water technique!
Okay, we are able to remedy this, you suppose. What we’ll do is construct large wind and photo voltaic farms and dedicate their output to creating hydrogen. Oh, extra capital value. And the wind and photo voltaic farms nonetheless solely overlap to create sufficient electrical energy possibly 60% of the time on a superb day. Oh, my low-cost alkaline electrolyzer doesn’t work besides with 24/7/365 electrical energy? Oh effectively, you guess you’ll should spring for the PEM electrolyzers at double the capital value.
You do some extra scribbling. That basically didn’t change the equation quite a bit.
You wander by way of the empty halls of the constructing as you consider it, waving to the janitor and the handful of different researchers by way of the doorways of their echoing labs.
Aha, you suppose. The world goes to overbuild renewables so there’s going to be free electrical energy a bunch of the time. You’ll simply use that! So that you go and take a look at it. You then discover that utilities nonetheless count on to receives a commission for delivering electrical energy anyplace, in order that they will afford transmission, distribution and administration prices. Even if you happen to can persuade the utility to solely cost you these prices and solely make hydrogen when there’s an extra of wind and photo voltaic on the grid, you solely get electrical energy 15% of the time, so your capital prices will make the hydrogen much more costly. However at the least it will be inexperienced!
I do know, you suppose, we’ll take these wind and photo voltaic farms to locations with superb wind and photo voltaic assets in Africa and South America the place there are large swaths of empty land. We’ll use low-cost labor and cope with the native baksheesh. We’ll construct large inexperienced hydrogen crops there and make hydrogen as cheaply because it’s attainable to do it. We’ll have to construct transmission and storage to agency the technology in fact and that is all in locations with usually no roads, so we’ll should construct these too. Hmmm… seems to be like we’ll should construct desalination crops and energy them as effectively, however the energy for these is tiny in comparison with how a lot juice hydrogen sucks down.
You hear a door slam within the distance, however you’re employed on.
Possibly, you suppose, there’s a special method to get the hydrogen out of methane? In spite of everything it’s simply carbon and hydrogen. How laborious might it’s? And so that you uncover pyrolysis. That is it, you suppose. The Holy Grail! Warmth up methane in an oven with none oxygen round and the bonds break. You find yourself with hydrogen and a bunch of pure black carbon.
Wait, that carbon is effective too! Individuals put it in rubber for tires and the like. You suppose, that is it, you’ve got two income streams, one for hydrogen and one for carbon.
After which your chemistry PhD kicks you within the head once more. How a lot hydrogen and the way a lot carbon? Huh. 12 tons of carbon for each 4 tons of hydrogen. That’s a number of carbon. In actual fact, this pyrolysis factor appears to be actually good at making carbon and has hydrogen as a byproduct, not the opposite means round. You suppose, this appears awfully acquainted. Oh, yeah, steam reformation makes much more carbon dioxide than hydrogen too and electrolysis from grid electrical energy makes an terrible lot extra carbon dioxide than hydrogen as effectively, even if you happen to keep away from Poland.
How large is the worldwide marketplace for carbon? Solely 14.5 million metric tons? So if you happen to made 3 million tons of hydrogen, 2% or 3% of the present world hydrogen demand, you’d utterly swamp the worldwide carbon black market? So actually, pyrolysis for hydrogen simply makes extra waste. However at the least it’s not carbon dioxide!
We might bury it for carbon credit, you suppose. You then understand it was already buried within the methane and begin to understand that there’s an issue in all of this. Why unbury it to be able to bury it?
Possibly we might use among the methane that seeps out of landfills and dairy barns, you suppose? You then take a look at some numbers and understand that whereas there’s an terrible lot of it, it’s extremely diffuse, with any given supply emitting little or no methane, potent as it’s.
And also you understand that it’s in all probability higher used immediately for biomethanol, one other large local weather change drawback.
Then, a glimmer of hope in a darkish room of despair. You understand that night time has fallen and nobody has stated goodbye to you as they left, nonetheless many individuals nonetheless stay within the constructing. You’ve final observe, however you suppose George and Sharon and Aafia had been nonetheless round final time you checked.
However the glimmer. A information alert has are available in your cellphone. Somebody struck hydrogen! They’re calling it white hydrogen and it’s naturally occurring. Nobody bothered to examine earlier than as a result of it was so handy to simply get pure fuel and use it to blast water into hydrogen and carbon dioxide. But when we are able to simply pump it out of the bottom, you suppose, that’s the win!
Nature could have made it at no cost identical to coal, oil and fuel. By definition it is going to be low-cost as a result of all we’re doing is catching it. And it is going to be low carbon as a result of as soon as once more all we’ve got to do is catch it.
So that you begin Googling for particulars. You discover that there’s a tiny village in Mali the place it’s popping out and used to generate electrical energy for his or her lights. Little or no hydrogen. And there’s a large discover in a mine in Albania! Huge? 200 tons a yr, however quite a bit much less within the one a part of the mine the place it’s effervescent out of a spring. That’s … not a lot. The spot in France has probably 46 million tons of the stuff they usually aren’t positive how a lot of it they will extract, however that’s nonetheless solely half of a single yr’s world demand for stuff we already use hydrogen for. Actually nothing left over for transportation and heating.
Your a number of PhDs make it clear to you that this can be a faint hope useful resource with a number of unanswered questions. Your geology PhD particularly has you eager about the comparability between recoverable reserves and the tiny quantities you might be listening to about.
Oh effectively, again to creating it in sparsely populated locations on Earth in order that it’s low-cost and transport it to the place it’s wanted. How costly might that presumably be?
You’re getting smarter as you grow old. You suppose, hey, possibly another person has already considered this. You keep in mind that man, Bogdan, on the pickup soccer sport 5 years in the past. He stated he was engaged on shifting hydrogen round. You head off to his lab, which you vaguely keep in mind was up three flooring within the northwest nook.
You discover it, after getting misplaced, then going to the entrance desk the place a safety guard appeared stunned to see you. He allows you to in as effectively, as Bogdan deserted ship not lengthy after that sunny afternoon. It’s dusty, however the lights work and there may be nonetheless a number of stuff on the white boards and pinned to the partitions.
Huh. 85% of hydrogen used at present is manufactured the place it’s used as a result of it’s so costly to ship? Who knew?
The following large class is pipelines, customized constructed ones in Germany and Texas, about 3,400 kilometers between them. They lead from large pure fuel and water hydrogen manufacturing crops largely to grease refineries and fertilizer crops. Wait, the largest single shopper of hydrogen is oil refineries?
Your natural chemistry PhD kicks you within the head and reminds you that crude oil is commonly actually thick, particularly if it’s from Alberta, Argentina or Mexico, tends to be filled with sulfur and has a bunch of different impurities. All that oil we use requires a full third of the hydrogen we use simply to wash it up and separate it into diesel, gasoline and asphalt. That’s a silver lining, you suppose. All that crude oil goes to go away when you crack this hydrogen for transportation, heating and vitality factor!
And we are able to reuse pure fuel pipelines! Possibly mix hydrogen in some proportion first! Let’s begin with that. Is there something on Bogdan’s whiteboards about that?
Disenchanted, you learn that mixing even 20% of hydrogen in with pure fuel isn’t an answer that makes the slightest sense. Your chemistry background begins filling within the blanks even earlier than you learn them. Hydrogen is way much less dense than pure fuel, in fact, therefore your issues with simply storing sufficient of it. And it requires extra vitality to compress. And it’s tougher on electronics. Out the opposite finish, you may save 7% of carbon dioxide emissions with a 20% mix of pure fuel, however you’ll additionally get much less warmth out of it. And as you’ve found, hydrogen isn’t low-cost except you make it in a windy, sunny desert beside an enormous freshwater lake.
However certainly we are able to purge the pure fuel and simply pipe pure hydrogen. Wouldn’t that remedy the issue? Bogdan’s left-hand slant handwriting solutions that as effectively. You learn with rising dismay about hydrogen embrittlement which your metallurgy background properly fills in a lot of particulars about, strain surges in fuel strains inflicting microfractures, sensor alternative with hydrogen-hardened sensors, new compressors which are triple the ability — compressors once more! You’re beginning to curse the existence of the issues —, in all probability inner coatings and even then, you might need to run much less hydrogen by way of the pipeline than pure fuel so far as models of vitality go. That looks as if a number of costly work to reuse a metal tube and positive sufficient Bogdan is unenthusiastic about it.
Possibly at the least the utility fuel distribution grid that goes to properties and buildings? Nope. Even worse. Not an opportunity of reusing any of that. It might all should be ripped up and changed in a lot of the world. There’s some hope for some locations that had been utilizing city fuel, as that was 40% or 50% hydrogen, together with a really nasty quantity of carbon monoxide, however even there the leakage fee of the escape artist molecule that’s 11 occasions stronger a greenhouse fuel than carbon dioxide provides you a twinge in your intestine. That’s why the one remaining hydrogen village within the UK, Fife, is seeing all of the pipes resulting in properties constructed anew at nice expense. Hundreds of thousands for 300 properties, you learn. Appears costly.
Okay, so largely new and costlier pipelines constructed from scratch for hydrogen transmission. And you continue to have to resolve getting the hydrogen from the mouth of the pipeline to the place it’s going for use. If it’s the one alternative for heating and cooking, then clearly we’ll spend the cash to tear up and change the pure fuel distribution grids, you suppose to your self. An issue for an additional day.
Whereas we await the pipelines, you suppose, what different choices do we’ve got? Oh, compressed hydrogen tube vans per one other whiteboard. Not even 300 atmospheres, extra like 180 atmospheres. That’s not even two kilometers below the floor of the ocean, you suppose, remembering your days of attempting to compress hydrogen to depths that might permit bathyscaphes to discover the Mariana Trench.
Wait, this one. You spend 10 seconds eager about it and understand that at 180 atmospheres, there simply isn’t that a lot hydrogen in a semi-trailer load. That you just’d want 14 or 20 of them to maneuver the identical vitality as a tanker of diesel. Effectively, that’s not viable. Did Bogdan agree? Definitively.
Had been there any solutions? Sure, the identical ones you discovered while you had been attempting to retailer hydrogen. A lot greater pressures, way more unique tanks, a lot tighter tolerances, a lot higher expense. And when you had been very cautious round what would have become a large explosive if it had burst, you had been working below very secure situations and taking each security precautions in labs constructed for the aim at nice expense.
You’ve gotten a sinking feeling. Individuals are truly considering of driving these strain bombs on highways and metropolis roads? Whereas different vehicles, vans and buses are on the identical roads? With human beings behind the wheel placing on make-up, checking sports activities scores or texting family members? You notice that they’re an extended, good distance from getting approval for any of this and breathe a sigh of aid. You keep in mind the occasions numerous extremely pressurized tanks gave means throughout your time constructing them and the way the constructing rang. 700 ambiance strain tanks and freeway visitors are a horrible thought.
Certainly there’s one thing else! Oh, wait. They need to put liquid hydrogen in vans and drive that across the place? They already do, but it surely’s fairly uncommon and used solely when hydrogen is the one substance for the job. Actually, if there may be any various to driving liquid hydrogen vans round, it’s taken. Bogdan notes that vans of the stuff symbolize a homeopathic quantity of the tonnage of hydrogen used yearly after which solely on rigorously vetted routes.
You concentrate on a collision that bursts the liquid hydrogen tank for a minute. You consider 20° above absolute zero liquid hydrogen spilling out over a college bus of youngsters, then flashing to 850 occasions the quantity and igniting in an air gas blast. You blanch on the thought.
Fortunately, you suppose, we’ll have hydrogen pipelines all over the place, irrespective of the price, as a result of we’ll want them for furnaces and stoves. Yeah, that’s the ticket!
You proceed round Bogdan’s dusty, deserted room. Oh, wait, persons are severely eager about placing liquid natural hydrogen carriers in tankers and transport them world wide? Which may make sense, you suppose, if hydrogen might presumably be low-cost, however even in the absolute best situations it’s much more costly than pure fuel for a unit of vitality. And you then throw away much more of it to make the carriers and get the hydrogen again out in the long run. That multiplies the price relatively considerably.
Huh, some persons are speaking about doing that with ammonia. Your natural chemistry PhD kicks you at the back of the pinnacle once more, one thing you might be beginning to resent. It reminds you that whereas ammonia fertilizer is the bee’s knees, enabling the world to be fed, it’s handled as an especially harmful substance and dealt with very rigorously by protecting gear clad professionals wherever it’s used. You seize your cellphone and examine the common value of a ton of ammonia at present, suppose by way of the price of the hydrogen, add the Haber Bosch course of capital and working prices to it and are available out with principally double the price per ton.
Then liquification as a result of it’s not a liquid at room temperature once more. Then steaming throughout oceans, which Bogdan’s white board helpfully reminds you is completed for fertilizer at present. Then getting the hydrogen out or burning the ammonia immediately. Bogdan’s notes once more helpfully let that this is able to be roughly 10 occasions the price of burning coal and multiples of the price of pure fuel. Effectively, that’s a non-starter. There have to be one other means.
Uh oh. The following white board has extra liquid hydrogen, however large ships of the stuff. That’s nutty you suppose. Liquid pure fuel tankers are already large bombs stored moored a good distance from ports. They usually include much more vitality in the identical quantity. They usually take quite a bit much less vitality to show right into a liquid. And they’re nonetheless the costliest vitality any nation makes use of and so used solely because the vitality of final resort. Liquid hydrogen ships will value 5 to 10 occasions as a lot to ship the identical models of vitality. That’s simply nuts.
Effectively, fortunately we’ll be constructing large pipelines hundreds of kilometers from northern Africa or the like. We’ll pay the large premium for liquid hydrogen transport for only some a long time. In spite of everything, it’s not like there’s any method to generate much more vitality a lot nearer to house or one other means of transport vitality lengthy distances. We’ll have to import a lot of hydrogen, you suppose and construct large worldwide pipelines to maneuver it.
In spite of everything, we’ve got to make use of the stuff. Not less than that’s low-cost, isn’t it? Time to roll up your sleeves and take a look at use circumstances, you suppose.
Wait, electrochemistry? You keep in mind that stuff out of your natural chemistry PhD. It makes the Krebs Cycle appear affordable and that’s so advanced that nobody who studied it might presumably imagine in an clever designer. Gasoline cells are all in regards to the electrochemistry. However hey, you don’t should study the stuff, you simply have to determine the right way to use it in an finish to finish resolution.
In spite of everything, you now know the right way to retailer hydrogen and that it’s costly. And you understand how to make hydrogen and that it’s costly. And you understand how to move hydrogen and know that it’s costly. You’ve gotten a sinking feeling as you begin to put the lengthy listing of issues earlier than utilizing hydrogen for warmth or movement can occur.
You keep in mind questioning why hydrogen refueling station costs within the EU and California had been charging US$15 to $36 per kilogram when the pure fuel and water course of you constructed value solely $1 to $2 per kilogram to make the stuff. Maybe all these hydrogen stations had been utilizing solely very costly inexperienced hydrogen? There’s nobody round to ask, so that you Google a number of nations and websites. No, it’s nearly fully hydrogen produced from pure fuel with none try to seize the carbon dioxide. Huh.
Weaker folks than you’ve got lengthy fled the constructing, nearly everybody in reality, however you received’t let this sinking feeling of dismay preserve you from making the hydrogen economic system a actuality. You’re going to take a look at all of the methods to make use of hydrogen for vitality and discover the most effective one.
You begin with the gas cell. You remind your self that you just way back determined you weren’t good sufficient to do a level in that black alchemical artwork, so resolve to deal with it as a element, failure situation and price train. Not how the bits labored collectively, however that they did. At first it was reassuring. There was an extended historical past of utilizing gas cells. In actual fact, the primary one was invented in 1838. A warning gentle goes off behind your eyes, however with an effort of will you push it away.
They had been used within the Gemini rockets beginning in 1962. That’s wonderful, you thought, no matter is nice sufficient for area journey have to be adequate for roads and houses. But when it’s utilized in area, it’s in all probability costly. Certainly they will need to have made them cheaper?
Huh. Not likely. They want platinum. And people membranes. How a lot per sq. meter! Oh. Ions should transit them, not get caught they usually should final a very long time. Wait, how lengthy do gas cells final? Huh, usually solely three years? Wait, some don’t final in any respect? You discover out in regards to the buses delivered 18 months in the past to Mallorca in Spain, the place some refrigerant obtained into the gas cells and destroyed the stack. That wasn’t reassuring. It’s like unintentionally placing diesel in a gasoline tank, however a lot simpler to do and it destroys the gas cell.
Nevertheless it makes you marvel. How pure does the hydrogen and air coming into the gas cell have to be? Ooops. Very. The stuff that makes pure fuel scent like rotten eggs would destroy a gas cell. In actual fact, nearly something that isn’t hydrogen and dry, filtered air will destroy a gas cell. So, solely very pure hydrogen, which prices much more. And a lot for reusing pure fuel pipelines, as a result of the left over stuff in them would poison gas cells as effectively. Actually, it’s all model new pipelines it appears, or redundant hydrogen purification crops far and wide.
The oxygen and hydrogen mix to type water, which you knew from Grade 7. However now you need to take into consideration what to do with the water. Effectively, in a bus, simply shove it out the tailpipe, in fact. Oh wait, you suppose. You’ve taken buses within the winter time. You marvel if the water ever freezes. Certain sufficient, your cellphone offers you an article a few 2010 to 2014 bus trial in Whistler, BC, in time for the Winter Olympics held there. The buses stored freezing up by the aspect of the street.
Okay, along with fairly laborious core air filtration and dehumidification, filters adequate to eradicate 99.99% of pollution within the air in cities, together with the prices of normal alternative of HIPAA-quality filters each few weeks or months, add dehumidification of hydrogen, high quality sensors for the hydrogen, high quality sensors for the air and thermal administration of the water.
Oh wait, thermal administration. Wow. The hydrogen in a car tank is perhaps 350 or 700 atmospheres. And hydrogen is a bizarre fuel. Not like nearly each different fuel, hydrogen will get scorching when it expands in temperatures the place we’d need to use it. So much. Okay, add one thing to dump that warmth. That is getting actually advanced. Fortunately you’ve got the very excessive tolerance, exactly engineered elements out of your storage efforts. What? They in all probability received’t work?
Oh no. Automobiles working in quite a lot of temperature ranges over tough roads have a lot greater vibration and exterior thermal growth masses. Again to the drafting board on an entire suite of elements you thought you’d completed with.
Not less than gas cells are environment friendly when they’re working, 60% or so. Wait, you suppose and begin including up the vitality alongside the trail from water and electrical energy by way of storage by way of transmission and storage once more and thru distribution. That’s 60% of quite a bit lower than you began with.
Wait, what’s the ability output of a gas cell that matches in a bus or truck? Huh, that low? That received’t get a totally loaded bus up a hill. Higher add a bunch of batteries and make the system a hybrid. Not less than batteries are easy. Electrochemistry, positive, however all on the within, with nothing coming out and in besides electrical energy.
Good little black field element, come to consider it. Recharge it from hydrogen when the bus or truck is shifting on degree floor or parked. Get electrical energy out while you want it. Pity we couldn’t simply use them with an electrical motor. That may be extremely easy, easy and low upkeep. However that might by no means work, clearly, you suppose, ignoring a pointy ache behind your proper eye.
Oh effectively, you suppose. on high of the advanced air and water administration system, the advanced, costly and extremely failure susceptible gas cell you need to add an enormous battery too. Possibly there’s one other means.
Someplace within the constructing, a door creaks in a draft.
What about if you happen to simply burn it instead of gasoline or diesel in an inner combustion engine, you suppose? They already vaporize the gas earlier than placing it into cylinders and hydrogen is already a fuel. Simple peasy. It’s the Carnot or Diesel cycle, however burning stuff is quite a bit much less advanced than gas cells. We might in all probability return to plain automobile air filters! We’d nonetheless should handle the water out the tailpipe, however we’d have heaps and many waste warmth from the engine.
Oh, wait. That waste warmth. Effectivity. Crap. Solely 30% environment friendly on common at turning burning gases into ahead movement. 70% waste warmth.
That’s half the effectivity of a gas cell. And hydrogen is dear. You understand that no matter you make up in avoiding one set of complexity, you lose in operational prices. Wait, aren’t fashionable inner combustion engines absurdly advanced beasts, with large quantities of computerized monitoring and controls? You keep in mind that one co-worker, Gelila, grumbling about the way you couldn’t wrench an engine anymore and not using a diploma in computer systems and a really costly diagnostics rig.
Are inner combustion engines truly easier? Or are we simply used to them?
Then your natural chemistry PhD kicks you at the back of the pinnacle once more. You’re actually starting to remorse that diploma. Nitrous oxides. N2O and NO2. Laughing fuel and the one and not using a enjoyable title. One that’s about 273 occasions worse than carbon dioxide as a worldwide warming fuel and one which causes smog that offers children bronchial asthma. Once you burn hydrogen or something actually, the nitrogen and oxygen within the air mix to make nitrous oxides.
Effectively, that sucks. Any method to cope with it? Oh, push twice the air in for full combustion. That works. Any unwanted side effects? Half the ability? So to get the identical energy from a hydrogen combustion engine we’d should make it quite a bit larger or bolt on superchargers, turbochargers or each?
Inner combustion hydrogen engines are clearly an entire useless finish and solely firms that make them would suppose that they made any sense in any respect. When you consider it, you understand that a number of truck and engine producers don’t have any mental capital to talk of out of doors of inner combustion engines, management programs for inner combustion engines and management programs for the extremely variable energy that comes out of them. With out the engines, the businesses are going to vanish. Huh, you suppose to your self, that’s obtained to result in some irrational habits.
There needs to be one other means. Gasoline cells are clearly not one thing you need to expose to metropolis air and inner combustion hydrogen engines are so inefficient it’s painful to consider them. Hey, possibly we are able to return to that concept of liquid natural hydrogen carriers and ammonia, you suppose to your self.
Not at that we’d use ammonia or the carriers. The primary is so absurdly harmful that we aren’t going to be utilizing that in transportation and the second doesn’t burn. But when we are able to make ammonia, we are able to make gasoline, diesel or kerosene!
Fortunately, you have already got an natural chemistry diploma, so this one is a cake stroll. You already understand how a lot every thing prices to make hydrogen, you’ve already checked out Haber Bosch capital prices, you’ve already regarded on the distant places with excellent situations of sunshine, wind and recent water. You’ve gotten every thing you want!
Oh, wait. The place’s the carbon coming from? All alongside, it’s been an issue with making hydrogen from pure fuel, however now you need to make gasoline or diesel, you’ll be able to’t discover any. Effectively, at the least not cheaply, as you found while you tried to seize it from the pure fuel and water course of.
Effectively, it’s a waste product, in order that they have to be giving it away. What? US$100 per ton delivered, if you’re fortunate? Possibly you’ll be able to seize it from the air? What? $400 minimal per ton, extra seemingly $1,000? You do the essential chemical mass balancing in your head earlier than your PhD kicks you once more and whistle. That’s going to be some costly gasoline!
You return and dirt off a few of your value workups for all the ins and outs. You concentrate on sources of carbon dioxide and understand that fermentation for biofuels can be a superb supply of the stuff. So you then do a tough design of a bespoke built-in chemical processing plant in the midst of nowhere the place there may be nice sunshine, wind and recent water, together with the entire biomass feedstocks for a biofuels plant built-in in with the remainder. One thing is making your eye twitch, however you’ll be able to’t work out what it’s and the corporate nurse stopped coming to work a yr in the past, so that you ignore it.
You add up all of the capital and working prices, one thing you’re actually far too good at now and take a look at the top consequence. In the best possible case state of affairs, you might make gasoline or diesel for less than 4-6 occasions the price of present diesel, However at the least you’ll be making a bunch of cheaper biofuels on the similar time. You must work laborious to disregard the twitching now, however you’ve develop into oddly good at ignoring issues.
Effectively, it seems to be like gas cells are it then, laborious as that’s to imagine after seeing how advanced, costly and failure susceptible they’re. We’ll simply should reside with it. With a way of dread you do some Googling for upkeep information on gas cell fleets. Ugh. California’s hydrogen buses are costing 50% extra in upkeep than their diesel buses and double what the way more quite a few battery electrical buses are seeing. Fortunately, battery electrical buses clearly can’t work they usually’ll all fail, so full velocity forward.
You suppose, at the least warmth is a positive factor. Hydrogen burners are fairly simple to make and burning hydrogen turns the vitality into warmth with actually excessive effectivity. We will make hydrogen furnaces, stoves and industrial warmth elements. That’s a slam dunk.
Wait, you suppose. Didn’t you simply cope with burning hydrogen in an inner combustion engine? Doesn’t it make nitrous oxides? You look it up and positive sufficient, open hydrogen flames produce a number of nitrous oxides. Certainly there’s an answer? Certain, a lot greater velocity hydrogen, it seems. Which means a lot smaller hydrogen tubes with a lot greater pressures and really totally different flame and warmth traits.
Which means changing a bunch extra elements inside furnaces, range and industrial heating elements. And for the commercial warmth, sometimes that’s dialed in for the temperatures and traits of pure fuel, so the complete course of will in all probability want fixing.
However at the least we’ll be heat within the winter,and know that African sunshine through the miracle molecule of hydrogen is holding us that means. You suppose, positive, it is going to be actually costly, but it surely’s not like there’s any various. It’s not like we are able to transfer warmth from inside our properties to outdoors the identical means that fridges do. Certain there are electrical stoves, you suppose, but it surely’s not like we are able to create on the spot warmth in pans with magnetic induction or something.
You’re feeling a migraine approaching as you allow for the day, questioning when the safety guard on the entrance desk stopped displaying up.
However one thing was forcing itself out of the again of your thoughts into the entrance of your thoughts, one thing about ammonia. That’s proper end-to-end system security. You resolve to determine that out for quite a lot of use circumstances within the morning.
You’d already happy your self that nobody might be considering of extremely poisonous ammonia as a transportation or heating gas. It was simply too costly to switch coal and simply too harmful to be put in fuel stations. So that you had been a bit bewildered while you realized that the maritime business was truly contemplating this.
You knew that you just needed to chill it to -33° Celsius to show it into a comparatively secure liquid, which appeared like a nasty factor to require of a gas. What if the ship was becalmed and the engine died? The ammonia would boil off as a fuel and kill everybody on board fairly rapidly. That may be laborious to manage for.
And placing it in ports outdoors of the hazardous supplies zone? Pumping it from barges to ships tanks whereas waves had been hitting each vessels? That simply appeared a bit odd.
Your chemistry PhD kicked you once more. There was one thing you had been forgetting. Oh, wait ammonia reacts with water to create a really corrosive fuel that rots lungs. After which it transforms another time into one thing that’s simply actually unhealthy for human well being and aquatic life.
A giant ammonia spill in a port would probably kill hundreds or tens of hundreds of individuals, you realized. What are they considering?
Once you observe again a bit, you discover that it’s the shortage of a necessity for carbon within the ammonia, which is simply nitrogen and hydrogen. They’ll save a bit of cash on the gas so in the absolute best case state of affairs it’s solely 4-5 occasions as pricey as present maritime gas, which is best than artificial methanol which might be 5-6 occasions as costly.
Effectively, that is smart, you suppose. Clearly somebody has labored out that killing a number of sailors and the occasional portful of individuals is cheaper than paying for methanol. Uh, you suppose, methanol is definitely a liquid at room temperature and also you keep in mind that it may be produced from current human-caused biomethane, at the least till you drive the thought out of your head earlier than your eyeballs explode with cognitive dissonance.
Inform me, you suppose to your self, that nobody is severely eager about placing liquid hydrogen in airplanes with human passengers! You had nightmares for every week eager about liquid hydrogen on roads, however in a pressurized tube at 38,000 ft with 300 folks aboard? Wait, the required globular, closely insulated, mirror-finished tanks must be in the back of the air craft! you’ll be able to’t put liquid hydrogen within the wings and albeit in something besides globular, closely insulated, mirror-finished tanks and have a lot hydrogen left while you want it.
So the entire weight of the gas must be contained in the fuselage. That’s obtained to screw with what number of passengers or how a lot cargo you might carry, you suppose. The present gas is supported by the wings, but when it’s contained in the fuselage that’s tons of individuals or cargo that may’t fly. And it takes up a bunch of area.
Wait, all that boil off needs to be handled in addition to any leaks alongside the gas strains to the engines. If it begins leaking into the fuselage with the passengers, it will construct up and be ignited by a spark within the espresso machine within the galley. Yikes, you suppose, that might flip a passenger jet full of individuals right into a quickly dissolving cloud fairly rapidly. What’s the ratio that hydrogen can explode at, 4% to 75% of the air? That’s a number of vitality in an enclosed tube, which is type of the definition of an explosive. That’s a horrible thought.
And also you keep in mind a number of temporary years while you took flying classes, again while you weren’t working large quantities of extra time to efficiently rework the world into the glowing way forward for the hydrogen economic system. It was actually vital to be sure that the middle of gravity of the airplane was over the wings. These large tanks on the again are wonderful as a result of you’ll be able to steadiness for them, however not for the hydrogen in them. When it will get consumed, a number of weight will get eliminated.
You discover a typical narrow-body jet plane, take a look at what number of tons of gas it requires, then do the easy math to determine how a lot the equal liquid hydrogen can be. And also you understand that over a traditional distance flight, an African elephant’s value of weight would evaporate from the again of the airplane and it will nostril down and crash.
You then replay the liquid hydrogen tanks cracking, spilling cryogenic liquids over what passengers survive within the burning wreckage, flashing to fuel and exploding.
But folks had been engaged on this. What had been they considering? A few of them had spent 20 or 30 years engaged on this and had been pretending none of this was actual. Why, you’d simply began aviation and also you’d seen this. Possibly the Boeing 737 Max failures for comparable causes tipped you off, however actually, it was useless apparent.
You then keep in mind that episode of 60 Minutes you watched while you nonetheless had time to do something however repair the following drawback with hydrogen for vitality, the one the place they talked with civil aviation specialists about how rigorously plane have to be examined and confirmed secure earlier than they’re allowed to hold prospects. You chill out. Nobody will have the ability to certify a liquid hydrogen plane that can carry passengers. There’s no path to that finish level, so you’ll be able to sit back. Nevertheless it does make you suppose that some folks engaged on hydrogen for vitality are much less clever than others.
Fortunately, you handle to keep away from eager about the final 20 years of your profession, however a stabbing ache in your decrease again reminds you to take your muscle relaxants.
Effectively, at the least hydrogen furnaces and stoves must be wonderful, you suppose. Then your chemistry PhD kicks you at the back of the pinnacle once more. Tiny, tiny molecule that’s an escape artist. A a lot greater vary of ratios to air the place it’s explosive. A lot of sparks inside a home. That’s not good. You examine it to pure fuel, as a result of a lot of folks have pure fuel and discover that even now after a long time of security and certification efforts with that a lot safer fuel, 4,000 buildings a yr within the USA alone blow up or burn on account of pure fuel leaks. Oh, that drawback with gas cells and the like means it in all probability received’t scent like something, by no means thoughts rotten eggs, in order that’s an added danger issue.
You then discover the security research which finds that dangers of hydrogen are 4 occasions higher. That actually gibes along with your expertise. You’re employed with hydrogen professionally and have purchased extra multi-hundred greenback hydrogen detectors than you’ll be able to shake a stick at. And put in very vital venting. And had costly inspections recurrently. And are a bit phobic about hydrogen explosion dangers in consequence.
By no means thoughts, multi-hundred greenback hydrogen detectors in each house. And doubtless large venting holes close to the ceiling in each wall resulting in the skin. That can wreak havoc with the insulation, however that’s why you burn fuel, to make issues hotter. Too unhealthy it’s going to be way more costly fuel.
That makes you ask your self, how way more costly? Effectively, a gigajoule of hydrogen is slightly below eight kilograms. You’ve completed the maths and even through the model spanking new hydrogen utility pipelines to properties, the most affordable it’s presumably going to be is $10 per kilogram and that’s with a stiff favoring breeze. In order that’s $77 per gigajoule. How a lot does pure fuel value? You don’t know since you reside in a constructing with electrical warmth, so that you look it up.
Wait, pure fuel is about US$2 per gigajoule in western Canada? What? Possibly it’s much more costly in Europe? How about Germany? About $43 per gigajoule there. Nonetheless, $77 per gigajoule. Oh, wait, Europe simply went by way of an vitality disaster and remains to be shopping for actually costly pure fuel. What had been they paying earlier than that?
About half that? So they’re used to about $21 per gigajoule and the most affordable worth that hydrogen heating will handle is over 3.5 occasions that?
If solely there have been another, you suppose, as your migraine will get worse.
You’d already frightened sufficient about a lot of liquid hydrogen trunks crashing into faculty buses, so you allow that one apart, apart from a quick concern that Division of Transportation truck certification may not be as rigorous as aviation certification.
As you suppose by way of finish to finish system security, you understand that the least dangerous use of hydrogen is to fabricate it in an industrial facility within the volumes required as an industrial feedstock for one thing like ammonia. That’s the place the place specialists in its use will likely be working with rigorously monitored and maintained gear, have the budgets for security gear and processes and be totally conscious of the dangers they’re coping with.
If solely there have been options for transportation and warmth, you suppose, earlier than you collapse from the ache in your head.
Once you get well, you say to your self, lets go look. The whole lot else should certainly be quite a bit worse, in any other case what have you ever completed along with your life? Let’s beginning with floor transportation. You perceive that gas cell vehicles received’t be a factor, however certainly that’s all that batteries and charging will have the ability to do.
Oh, electrical trains have been round for over 100 years and each nation on this planet that doesn’t share a border with the USA is simply placing up overhead wires? And they’re placing batteries on trains to get them previous the bridges and tunnels which are too costly to wire up?
India goes to be completed electrifying this yr? India? They’re forward of China which is simply at 72% however constructing extra electrified rail on a regular basis and a lot of the new stuff is excessive velocity.
The German state of Baden-Würtemberg did a complete value of possession research and located that hydrogen can be thrice as costly as wires and batteries? Certain simply the effectivity and upkeep prices alone make that apparent, you suppose, as your proper temple throbs painfully. And Decrease Saxony tried it at nice expense, discovered the identical prices and are giving up?
What’s the USA considering, holding out for hydrogen on trains?
However certainly large vans want hydrogen. The Nikola is one horny beast and clearly extra competent than that weak Tesla Semi. Oh wait, What’s Run on Much less? NACFE? The North American Council on Freight Effectivity. Okay, appears legit, you suppose. Certainly the hydrogen semis rocked that and the electrical ones failed. Ummm. The Tesla Semis ran for over 1,600 km in a single day of full service with masses as much as the total 82,000 most weight loaded with flats of Pepsi?
Certain, each different electrical semi solely managed extra vary than the common for 60% of all truck work days. Wait, you suppose.
Okay, so the Tesla Semi is fairly good, however certainly the Nikola FCEV kicked its butt. Huh. Nikola had their battery electrical truck operating within the research and managed 800 kilometers someday? Solely half of Tesla, however nonetheless. 800 kilometers in a single day for a truck.
However certainly that’s the restrict. Batteries are at finish of their improvement you suppose. Oh, the world’s greatest EV battery producer, CATL, introduced a battery with twice the vitality density of those within the Run on Much less vans in 2023 and is delivering it in 2024? So the Tesla Semi will have the ability to run one thing like 3,200 kilometers in a single day and the opposite vans might see 1,600 simply by placing new batteries in? Or they might be lighter with the identical vary.
However certainly hydrogen vans are going to get cheaper to function, you suppose. You then slap your self within the brow. You already know {that a} hydrogen electrical truck is only a battery electrical truck with a number of advanced, failure susceptible gear added, together with tanks of extremely compressed hydrogen that you just actually don’t need to take into consideration within the occasion of a collision. You’ve regarded on the statistics.
However at the least the hydrogen will likely be comparatively low-cost to ship, you suppose, as a result of there’ll be an enormous community of fuel pipelines operating into each constructing. One thing about that assertion makes you draw back in terror, however you’ve discovered to stare into the abyss.
Tomorrow, you’ll do this tomorrow. Tonight you want a beer. You go searching for somebody to tug out to the closest watering gap, however after wandering the empty constructing for an hour you understand, you’re the just one nonetheless working there.
Effectively, that’s a humiliation of riches for heating with electrical options. They’re all extra environment friendly and cheaper than hydrogen for heating. And no nitrous oxides!
Why did you suppose burning gases had been required for high-temperature warmth once more, you ask your self? You’ve gotten three PhDs and know the deep science of electromagnetics, electrical arcs and thermal warmth administration. Why had been properties, buildings and industrial warmth in some way sacrosanct areas for burning gases?
Warmth pumps and district heating alone kill heating fuel pipeline networks. Warmth pumps are vastly extra environment friendly than burning issues for warmth, utilizing one unit of electrical energy to maneuver three models of warmth round. Identical to fridges. Massive warmth pumps operating off floor or waters sources and district heating and cooling are like peanut higher and jelly, Abbot and Costello or different well-known pairs, they’re simply higher collectively.
All of the glory of the electromagnetic spectrum is offered with electrical heating options, with absurd quantities of management. Burning gases is so crude and laborious to manage by comparability.
Infrared, resistance, electrical plasma and even warmth storage make it clear that if you happen to had been constructing one thing from scratch to be a decarbonized constructing or industrial facility, you wouldn’t hassle with pipelines operating hydrogen into it in any respect. After which the opposite penny drops for you.
The one tiny shred of aid comes from discovering that some chemical processes, at the least ones we use at present, do require the chemical and thermal traits of open flames to work and that hydrogen might play that function. You then keep in mind biomethane.
No use for hydrogen for warmth in residences, business buildings and most industrial amenities means no large networks for hydrogen pipelines which are as simple to connect with as pure fuel distribution networks at present. And there’s no large community of distribution pipelines for hydrogen, finish makes use of for hydrogen simply obtained much more costly.
Vehicles stops should obtain much more tanker a great deal of liquid or extremely compressed hydrogen than the diesel tanker vans that they obtain at present. That multiplies the prices and security dangers much more.
Certainly nobody is severely contemplating this, you suppose? Little or no Googling finds that Mercedes Benz Group and hydrogen-supplier Linde have trucked liquid hydrogen to a refueling station that shops it as liquid hydrogen after which they pump liquid hydrogen in liquid hydrogen storage tanks on a Mercedes truck. You learn that once more, as you had been having bother believing your eyes.
They’re placing liquid hydrogen tanks right into a semi tractor, then bringing that liquid hydrogen to room temperature with that large strain and temperature change after which placing that right into a gas cell. And they’re doing that in a truck with a human driver that’s touring on public roads with texting idiots?
That requires a full top-down dedication to idiocy, you suppose. And positive sufficient, a Board govt is out in public selling and defending it on social media, the manager head for this system is closely engaged and numerous members of the group are actively celebrating this. Not less than that constructing remains to be full of individuals, you suppose, despite the fact that you are actually fairly positive it received’t final.
Why is Mercedes Benz constructing gas cell vans when the Tesla Semi and megawatt charging have made it clear that minor operational modifications are all that’s required for the large beneficial properties in operational and upkeep prices? Possibly they didn’t specifically construct a truck for battery electrical and are attempting to shove totally different drive trains into the identical body.
You vaguely keep in mind one thing about Tesla and the Roadster on that time, however you had been effectively into the hydrogen journey then, so tended to dismiss Tesla. Pity, as your retirement portfolio can be much more strong. You misplaced some huge cash in 2000 on Plug Energy, Ballard and FuelCell Vitality and held onto these shares, positive they’d bounce again.
Okay, so no hydrogen for heating and none for floor transportation. However certainly maritime transport will use it?
There’s some excellent news for you in maritime transport! The world’s now second largest container transport firm and a frontrunner within the area, is shopping for methanol twin gas ships and contracting for low-carbon methanol! You want methanol. It’s clear burning, a liquid at room temperature and solely about as poisonous as diesel. You don’t need to gargle with the stuff, but it surely doesn’t make you run screaming from the room like ammonia.
Clearly they’re shopping for artificial methanol produced from inexperienced hydrogen, by no means thoughts the value, proper? You take a look, luxuriating within the uncommon feeling of being positive of one thing and that hydrogen for vitality was a winner. And you then understand that each contract you could find an article about signifies that they’re shopping for biomethanol. In actual fact, the primary ship that sailed out of South Korea for northern Europe was powered by methanol that got here out of landfill.
Methanol isn’t a hydrogen transport story in any respect! Additionally, as you poke at it you marvel why they’re bothering. It’s clearly going to be much more costly than biodiesel which is being bunkered in ports globally already.
However at the least batteries aren’t powering ships. That may be including insult to harm, you suppose. You then see {that a} pair of 700 unit container ships had been launched in China and are operating common 1,000 km routes on the river. 1,000 km! How are they doing that? Oh, in fact. Containers filled with batteries that they change with charged ones with ports alongside the route. Huh.
You do some math. The vitality equations are actually easy after natural chemistry and metallurgy. Even with Tesla’s batteries, by no means thoughts CATL’s, a ship can journey a good distance totally loaded. 3.9 MWh in a single Tesla Megapack. That’s quite a bit in a transport container. And ships simply churn by way of the water on the similar velocity. And battery electrical to motor drive trains are actually environment friendly.
That’s like half a ton of hydrogen, with out all the large quantities of fuss. However hey, that actually received’t get a ship throughout an ocean.
Look, liquid hydrogen. You aren’t as excited as you’re feeling you should be. You quickly discover that Equinor and Air Liquide gave up fully on a liquid hydrogen plant in Norway the place there have been about the absolute best situations for making inexperienced hydrogen, 24/7/365 electrical energy from totally amortized hydro and transmission, together with a lot of water. You know the way a lot the entire equipment prices in and out and the way failure susceptible it’s. Effectively, at the least a liquid hydrogen fueled tanker can be pretty secure. Not a lot to run into out at sea. However the price. And the boil off. And placing 20° Kelvin cryogenic hydrogen right into a ship from a barge. That’s not going to be low-cost. Possibly there’s one other various?
Oh, proper, biodiesel. What’s that value? 1.5 to 2 occasions maritime diesel? That’s it? When artificial diesel, methanol or ammonia can be 4-6 occasions the price of fossil maritime gas in the most effective case state of affairs? Who thinks anybody goes to pay that you just suppose. That’s simply silly. You’re keen on your Toyota Mirai, however you wouldn’t have the ability to afford it if Toyota didn’t offer you $15,000 value of free hydrogen while you leased it. You’ve gotten a Tesla Mannequin 3 too, as a result of hydrogen refueling stations are so flakey that you would be able to’t afford to have a Mirai as your solely automobile.
You wouldn’t have the ability to get to the lab a number of days to work on fixing the hydrogen for vitality drawback if you happen to needed to depend on your Mirai. You marvel why your eyes are crossing and you’re making little grunting noise, however dismiss it.
You allow work early and drink alone, considering you’ll should get by way of aviation subsequent.
You stroll in late, hungover. You sit down at your desk and begin Googling. The data is all there. It’s been there all alongside. Why didn’t you ever search for it, you ask your self. What prevented you from evaluating apparent options with actual information. Why did you simply settle for that batteries and biofuels couldn’t presumably energy airplanes?
Liquid hydrogen you already knew wasn’t certifiable. No method to sq. that freezing, explosive circle of passenger doom. And also you knew that gaseous hydrogen inside airplanes was loony too. Too little vitality density in explosively pressurized tanks that might flip into very excessive velocity shrapnel if something went improper. You marvel why the civil aviation authorities just like the FAA and EASA are bothering to interact with the corporations nonetheless attempting to make any of this work.
You then suppose, effectively these corporations should spend some huge cash on certification and a bunch of that should go to the authorities. Not solely that, the thrill it should carry them to be actually harmful new stuff after spending a long time ensuring aviation was the most secure type of transportation per passenger kilometer on Earth should give them an enormous thrill. They understand it’s not attainable, however they’re undoubtedly delighting in considering of all of the methods it might go improper and there are such a lot of of them, as .
After which there may be artificial kerosene. Identical story. 4-6 occasions the price of present aviation fuels in the absolute best case state of affairs. Whereas tens of millions of tons of sustainable aviation biofuels are being put into planes already at a a lot cheaper price level.
Oh effectively, at the least there received’t be any batteries, you suppose mockingly to your self, positive now that you just had no thought what you had been considering prior to now. And positive sufficient, you discover startup after startup with batteries, even much less vitality dense ones than Tesla’s. A hybrid electrical airplane flew for twelve hours and had gas left over, you see. And you notice the latest papers making it clear that 100 passenger battery electrical plane with a biofuel generator for divert and reserve can already cowl 80% of passenger aviation on most continents.
Not adequate for crossing oceans, however biokerosene is nice sufficient for that. You chill out and depart for an early lunch and possibly a spherical of golf, considering you’ll take your Tesla. In spite of everything, it has much more room within the trunk for golf equipment. You begin questioning what the resale worth of a barely used Mirai is. Your headache threatens to come back again, so that you give attention to visualizing your swing.
Tomorrow, you’ll take a look at grid storage, only for enjoyable. You’re fairly positive what you’ll discover, however you’ve at all times been a completist, which is why you’ve been working alone in an empty constructing for the previous couple of years.
You park your Mannequin 3 within the spot closest to the door at 10 and stroll into the constructing, your shoulders and again unfastened after your 19 holes of golf yesterday . You sit down at your pc and begin Googling.
No shock. Cell-based batteries, largely lithium-ion for brief period storage. They’re all over the place. In actual fact, there’s a lot moving into within the UK that it seems to be like the complete requirement for that period of storage will likely be accomplished by 2030. Oh and many new battery chemistries rising seem like they’ll be much more economically viable for stationary storage.
Redox circulation storage seems to be promising you suppose. Your metallurgy PhD and hydrogen efforts make you consider the iron redox response and positive sufficient, Type Vitality is doing that. You marvel idly in the event that they’ve solved the hydrogen buildup drawback, however resolve that there are such a lot of folks working within the area — all these full buildings! — that even when their resolution is useless, others will work.
Huh, you suppose, the carbonates you hung out on are successfully vitality storage of a sure kind. You possibly can in all probability create a redox response round that too. Aha, Agora Vitality. However ugh, electrochemistry, which is past you.
Anyway, redox makes it simple to separate energy and vitality, identical to a tank of hydrogen and a gas cell, however with out all the issues of hydrogen. That’s going to in all probability be a wedge you suppose.
Pumped hydro remains to be a factor? China has constructed 58 GW of capability, in all probability a TWh or extra of vitality storage in simply the previous few years and is constructing 365 GW extra by 2030? What’s this? The Australian Nationwide College did a GIS research a number of years in the past and located 100 occasions the useful resource capability in twinned small reservoirs with excessive head heights as the worldwide requirement for vitality storage?
Hmmm, you suppose. Grade 7 science. Mass occasions acceleration on account of gravity occasions peak. For enjoyable you scribble it out by hand. A billion liters of water, a gigaliter, with 500 meters of head peak is a GWH of storage. Fairly good.
In order that covers peaking, quick response, time shifting photo voltaic to the night, shifting night time time wind to the day time and day forward reserve. Overbuild it a bit of and it’s fairly simple to cowl every week, you suppose.
There’s no actual play for hydrogen for storage in any regular period.
However what about dunkleflaute? Possibly hydrogen has a play there? So, specialised large salt caverns sluiced out, make heaps and many inexperienced hydrogen when electrical energy is affordable and pump it underground. It’s a strategic reserve in any case, not an everyday use factor. Your positive somebody has studied that and positive sufficient Sir Chris Llewellyn Smith did for the UK with a long time of climate information.
Each ten years you want extremely lengthy period storage. Not yearly. And Smith thinks inexperienced hydrogen is the molecule for the job. You marvel why. In spite of everything, as you’ve found, there’s a lot of extra biomethane human processes are creating day-after-day. A few of that will likely be use to decarbonize methanol, you assume, however why not simply take a bunch of the remainder and shove it into current pure fuel strategic reserves? Ah effectively, not your drawback. Undoubtedly an finish sport subject.
You lean again in your chair. You suppose for a minute. You marvel if you happen to’ve missed something. After which it involves you. The rationale for all that hydrogen storage and transport was to make the vitality we’d like a good distance away and import it, identical to we do oil, fuel and coal. That appeared so apparent again then.
However you understand that each nation has a lot of room for renewable technology and that electrical heating and motors are vastly extra environment friendly than burning stuff. The overall vitality we’ll want will plummet and we’ll make much more of it quite a bit nearer to the place we’d like it. And we received’t want practically as a lot of it to extract, course of, refine and ship fossil fuels, come to consider it.
How a lot vitality are we going to wish to maneuver throughout lengthy distances? Not practically as a lot, you suppose. And the way will we transfer it? A little bit of Googling turns up extremely excessive capability direct present transmission that’s already operating hundreds of kilometers from one aspect of China to the opposite, connecting Greece to Israel, northern Africa to Europe, Europe to the UK and shortly Georgia to Romania.
You’ve gotten a lunch date, so that you don’t hassle to work out the maths. And tomorrow will likely be time sufficient to succeed in out to your buddy at Yara and see about decarbonizing ammonia fertilizer. You pack up your laptop computer, throw the withered cactus within the rubbish, flip off the lights and depart.
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