A Hydrothermal Process for the Fabrication of Nickel Foam Based NiO and Co₃O₄ Nanostructures with Excellent Properties for Electrochemical Capacitors

Abstract:

Unique NiO and Co₃O₄ nanostructures were successfully deposited on nickel foam (NF) substrate by a hydrothermal process. Both of them are highly dispersed on the surface of NF, showing a unique nanoporous film structure. They exhibit excellent electrochemical performance due to their effective porous structure which introducing facile electrolyte penetration and fast proton exchange. The highest specific capacitance of 231 and 493 F g^-1 are achieved for NiO and Co₃O₄ electrodes at a current density of 0.5 A g^-1, respectively.

• Periodical: Applied Mechanics and Materials (Volumes 291-294)
• Pages: 786-790
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.291-294.786
• Online since: February 2013
• Authors: Ling Bin Kong, Xiao Ming Li, Mao Cheng Liu, Xue Jing Ma, Yong Chun Luo, Long Kang
• Keywords: Eelectrochemical Capacitors, Hydrothermal Process, Nickel Foam, NiO and Co₃O₄ Nanostructures

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