基于碳纳米管的超级电容器

被引:51
作者
马仁志
魏秉庆
徐才录
梁吉
吴德海
机构
[1] 清华大学机械系!北京
关键词
碳纳米管; 氧化钌; 超级电容器;
D O I
暂无
中图分类号
TM53 [电容器];
学科分类号
摘要
通过不同工艺手段制备了碳纳米管的固体电极 .以这种电极为基础的超级电容器的体积比电容达到 10 7F/cm3,证明这种电极是超级电容器的理想候选材料 .在碳纳米管表面沉积RuO2 ·xH2 O ,制备出碳纳米管和RuO2 ·xH2 O的复合电极 .采用复合电极的电容器的比电容较之于纯碳纳米管电极有显著提高 .当复合电极中RuO2 ·xH2 O的含量为 75 %时 ,比电容达到 60 0F/g ,基于这种复合电极的电容器同时具有高能量和高功率密度的特点 .
引用
收藏
页码:112 / 116
页数:5
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