Summary
On this work, NiWO4 was ready by co-precipitation and modified by ultrasonic and laser irradiation. Its electrochemical properties had been investigated by potentiodynamic, galvanostatic and impedance spectroscopy strategies. The outcomes present that NiWO4 ultrasonic-modified and uncovered to laser irradiation for 420 s has the best capacitance of 520 F/g at a discharge present of 1 mA. This capacitance worth is 2.5 occasions increased than for NiWO4 ultrasonic-modified and three.4 occasions increased than for NiWO4 obtained by co-deposition. The capacitance enhancement of NiWO4 modified by ultrasonic and laser irradiation is the results of stimulation of quick redox reactions, which is confirmed by impedance research.
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