将高锰酸钾分别与聚乙二醇、硫酸锰进行液相反应制备了超级电容器电极材料.借助XRD、SEM、恒流充放电测试和循环伏安测试等对电极材料的结构及电化学性能进行了表征.结果表明,两种反应的产物均为无定型,高锰酸钾与聚乙二醇反应产物的颗粒粒径较与硫酸锰反应产物的粒径小,平均粒径为100nm,且在-O.6～O.4V(vs.SCE)的电位窗口内以200mA/g的电流密度恒流充放电,测得单电极比容量达到550F/g,300周次循环后比容量保持在200F/g左右,是高锰酸钾与硫酸锰反应产物的2倍.
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