Nickel Oxide as an Electrode Material for Supercapacitors

J Mater Sci Technol ›› 2002, Vol. 18 ›› Issue (04): 383-384.

• Research Articles • Previous Articles

Nickel Oxide as an Electrode Material for Supercapacitors

Kui LIANG, Ai CHEN, Li HE, Wei WANG

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

Received:2001-06-18 Revised:2001-10-10 Online:2002-07-28 Published:2009-10-10
Contact: Kui LIANG

Abstract

Abstract: 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 LiClO4/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.

Key words: Supercapacitor, Pseudocapacitor, Nickel oxide, Doped Co

Kui LIANG, Ai CHEN, Li HE, Wei WANG. Nickel Oxide as an Electrode Material for Supercapacitors[J]. J Mater Sci Technol, 2002, 18(04): 383-384.

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Nickel Oxide as an Electrode Material for Supercapacitors

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