通过水热法和微乳液-物理混合法制备了两种水合氧化钌/活性炭复合电极材料(HD和MP).采用X射线衍射(XRD),扫描电子显微镜(SEM),N2吸附等方法对材料的晶型、形貌、比表面积和孔结构进行了表征;用循环伏安,恒流充放电和交流阻抗等方法研究它们的电化学性能.结果表明,通过水热法制得了薄膜状RuO2·xH2O/AC复合材料,性能明显优于微乳液物理混合法制备的球状RuO2·xH2O/AC复合材料.HD材料在电流密度为3mA/cm2时,比电容(Cp)为337F/g,比MP的241F/g高39.6 %,在电流密度为60mA/cm2时,其功率为1072W/kg,比MP的875W/kg高22.5%.HD材料适合大电流快速充放电,电阻小,循环充放电性能优异,经1000次恒流充放电测试,容量保持率为99.8%.
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