Electrochemical Capacitor Using Nickel Oxide/Carbon Nanotube Composites Electrode

Abstract

Abstract: Carbon nanotubes prepared by a catalytic pyrolysis method were considered as active electrode materials
for the storage of energy in supercapacitors. Due to their unique mesoporosity, this material has a high ability for the accumulation of charges in the
electrode/electrolyte interface. Electrochemical capacitors based on carbon nanotube/nickel oxide composite electrodes were developed through the
electrochemical deposition of nickel oxide on the nanotube electrode. The value of capacitance obtained from nanotubes modified by nickel oxide
reaches 52F/g. The self-discharge rate of this supercapacitor is much lower than that of the supercapacitor composed of carbon nanotube electrode.

Key words: carbon nanotube, nickel oxide, supercapacitor, electrochemical capacitor

CLC Number:

TM53

WANG Xiao-Feng,WANG Da-Zhi,LIANG Ji. Electrochemical Capacitor Using Nickel Oxide/Carbon Nanotube Composites Electrode[J]. Journal of Inorganic Materials.

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Electrochemical Capacitor Using Nickel Oxide/Carbon Nanotube Composites Electrode

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