碳纳米管–聚吡咯复合材料在超电容器中的应用

被引:13
作者
漆海波
周啸
姜翠玲
楚红军
机构
[1] 清华大学化工系
[2] 湖南湘怡中元科技股份有限公司
关键词
碳纳米管; 聚吡咯; 超电容器; 循环伏安; 法拉弟赝电容;
D O I
10.14106/j.cnki.1001-2028.2002.12.011
中图分类号
TM53 [电容器];
学科分类号
摘要
在碳纳米管(CNT)基体上用化学聚合或电化学聚合方法沉积聚吡咯(PPy)制得复合材料。再以此类复合材料为活性物质制作电极,组装成原型超电容器。并对其进行了循环伏安、恒电流充放电等电化学测试。用此类复合材料制成的原型超电容器的比容量(23.6 F/g)与纯碳纳米管(2.3 F/g)或纯聚吡咯(3.9 F/g)制成的原型电容器比较,发现复合电极电容器比容量的提高不是简单的加和效应,而是协同效应所致。
引用
收藏
页码:29 / 32
页数:4
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