聚苯胺修饰碳电极电容性能研究

被引:9
作者
丛文博
张宝宏
喻应霞
机构
[1] 哈尔滨工程大学化工学院
[2] 哈尔滨工程大学化工学院 黑龙江哈尔滨
[3] 黑龙江哈尔滨
关键词
聚苯胺(PANI); 聚苯胺修饰碳(PANIC)电极; 电化学电容器;
D O I
暂无
中图分类号
TM53 [电容器];
学科分类号
080801 ;
摘要
聚苯胺修饰活性炭(PANI C)电极既可以利用活性炭的双层电容又可利用聚苯胺的准电容,因此能够提高电极的比电容.采用循环伏安法在活性炭电极表面合成聚苯胺,并采用循环伏安、恒流充放电、交流阻抗等方法研究了PANI C电极的电容特性.结果表明,在1mol·L-1硫酸溶液中PANI C电极呈现较好的电容性质,比电容从碳电极的82F·g-1提高到175F·g-1;PANI C电极和碳电极组成的单体电容器比电容可达30.7F·g-1,充放电循环过程中电容器的电容值会逐渐衰减;将PANI C电极作为负极使用,可将电化学窗口由0.6V扩展至1V.
引用
收藏
页码:809 / 813
页数:5
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