The Influence of Graphitic Structure of Carbon Electrode on Aging Behavior of Electric Double Layer Capacitor

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The double-layer capacitors and their degradation after aging process for nano-fibrous carbon electrodes with various graphitic structures have been compared. The nano-fibrous carbon with amorphous structure has successfully been prepared from biomass precursor. The nano-fibrous carbons with graphitic and amorphous structures exhibit similar specific surface area and double-layer capacitance. However, the change of the capacitances of the cells consisting of both carbons by the aging process under high temperature and high voltage condition are different. The amorphous nano-fibrous carbon electrode provides capacitance decrease by the deposit on electrode, while the graphitic nano-fiber provides capacitance increased likely due to the gas evolution.

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  • Electrochemistry

    Electrochemistry 80 (10), 752-754, 2012

    公益社団法人　電気化学会

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