利用浸泡后的胖大海为碳源,氯化锌和氯化锂混合盐作为活化剂,采用炭化胖大海(PC-1)、添加氯化锌(PC-2)或添加氯化锌/氯化锂(PC-3)的胖大海的方法制备了3种多孔碳材料,并通过三电极体系测试电极材料的电化学性能.结果表明,3种碳材料在电流密度为0.5 A/g的比电容分别为69、132和228 F/g;当电流密度增加至10 A/g时,PC-3的比电容仍高达166 F/g,具有良好的倍率性能.该实验表明,通过氯化锌/氯化锂复合盐活化胖大海分级多孔碳可作为高性能超级电容器电极材料.
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