考察了在以间苯二酚(R)和甲醛(F)为原料,碳酸钠(C)为碱性催化剂,通过溶胶.凝胶过程和常压干燥方法制备RF炭气凝胶过程中CO2活化对炭气凝胶孔结构的影响,并通过恒流充放电和循环伏安法测试其电化学性能.结果表明:CO2活化可明显提高炭气凝胶BET比表面积(SBET)和孔容(Vtotal).RF炭气凝胶在900℃下活化3h,SBET从未活化时的633m2/g提高到1271m2/g;相应的电化学测试结果表明,以1mA/cm2的电流充放电,其比电容可从未活化样的81F/g增加到172F/g;以30mA/cm2的电流进行充放电试验,活化样的比电容仍可达到131 F/g.
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