Capacitor Properties of Carbon Electrodes Derived from α-Cyclodextrin
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概要
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Capacitor performances and degradation behavior of porous carbon electrodes derived from α-cyclodextrin precursor have been investigated. Porous carbons with different pore size distribution have successfully been prepared from α-cyclodextrin by changing the heating rate of carbonization. The carbonaceous materials obtained by the heating rates of 10 and 50 K min−1 exhibited similar crystalline structures and elemental compositions. However, the cells with different electrodes showed different capacitance degradation modes under high temperature and high voltage conditions. The α-cyclodextrin-derived carbon having a higher ratio of mesopore volume lost its capacitance significantly at initial cycles by the passivation of electrode.
- 公益社団法人 電気化学会の論文
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