Optimal Preparation Yield of Porous Carbon for Capacitor Electrode

概要

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In this paper, the method to find the optimal preparation condition of porous carbon material for capacitor electrode with considering carbon yield was proposed. Biomass (woodchips) and a strong cation exchange resin were used as carbon precursors. Porous carbon materials were prepared by carbonization in N<SUB>2</SUB> stream and by CO<SUB>2</SUB> activation. A new method was proposed for selection of promising process parameters, such as carbonization/activation temperature and period, by measuring specific surface area and capacitance of the carbon materials. The specific capacitances of the carbon prepared from both raw materials were almost the same. However, the cation exchange resin was favorable as a precursor for capacitor electrode in the viewpoint of carbon yield. The optimal preparation condition also was discussed in detail.
炭素材料学会の論文