辐照
材料科学
超声波传感器
激光器
电容
介电谱
电化学
分析化学(期刊)
电极
光学
化学
声学
有机化学
物理化学
物理
核物理学
作者
Yurii Starchuk,І. М. Budzulyak,Orest Popovych,B. I. Rachiy,L. S. Yablon
标识
DOI:10.1080/1536383x.2023.2179039
摘要
In this work, NiWO4 was prepared by co-precipitation and modified by ultrasonic and laser irradiation. Its electrochemical properties were investigated by potentiodynamic, galvanostatic and impedance spectroscopy methods. The results show that NiWO4 ultrasonic-modified and exposed to laser irradiation for 420 s has the highest capacitance of 520 F/g at a discharge current of 1 mA. This capacitance value is 2.5 times higher than for NiWO4 ultrasonic-modified and 3.4 times higher than for NiWO4 obtained by co-deposition. The capacitance enhancement of NiWO4 modified by ultrasonic and laser irradiation is the result of stimulation of fast redox reactions, which is confirmed by impedance studies.
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