Nickel Oxide as an Electrode Material for Supercapacitors

材料科学技术（英）, 2002, 18(4): 383-384.

^1, , ^2, , ^3, , ^4,

1.Department of Material Science and Engineering, Sichuan University of Science and Technology, Chengdu 610039, China

2.Institute of Microelectronics and Solid-state Electronics, University of Electronic Science & Technology of China, Chengdu 610054, China

3.Institute of Microelectronics and Solid-state Electronics, University of Electronic Science & Technology of China, Chengdu 610054, China

4.Institute of Microelectronics and Solid-state Electronics, University of Electronic Science & Technology of China, Chengdu 610054, China

基金项目: 国家自然科学基金(number 50082001)

Nickel Oxide as an Electrode Material for Supercapacitors

Keywords： Supercapacitor

The preparation of Ni oxide films and their capacitive mechanism are discussed in this paper. Nickel oxide film electrodes perform pseudocapacitance in aqueous KOH and NaOH but perform double layer capacitance in LiCIO4/PC (propylence carbonate). The effect of increasing the specific capacitance was observed when Ni oxide film electrodes are doped with Co. A specific capacitance of around 70 F/g was achieved when using Ni oxide films doped with Co as electrodes and 1 mol/L aqueous KOH or NaOH as an electrolyte.

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Nickel Oxide as an Electrode Material for Supercapacitors

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