超级电容器用聚苯胺/活性炭复合电极的研究(英文)

被引：60

作者：

王琴 ^{[1
]}

李建玲 ^{[1
]}

高飞 ^{[1
]}

李文生 ^{[2
]}

武克忠 ^{[1
]}

王新东 ^{[1
]}

机构：

[1] 北京科技大学理化系

[2] 锦州凯美能源有限公司

来源：

新型炭材料 | 2008年 / 03期

关键词：

超级电容器; 聚苯胺; 活性炭; 循环伏安; 比电容;

D O I：

暂无

中图分类号：

TM53 [电容器];

学科分类号：

080508 [光电信息材料与器件];

摘要：

通过循环伏安法在多孔活性炭表面沉积了聚苯胺膜,并采用扫描电子显微镜、交流阻抗谱以及恒电流充放电技术对聚苯胺、活性炭和聚苯胺/活性炭复合电极进行了研究。结果显示:聚苯胺在活性炭表面形成一层由多孔网状结构组成的均匀的膜。聚苯胺/活性炭复合电极比活性炭电极具有更高的容量,同时比聚苯胺电极具有更好的循环稳定性。聚苯胺/活性炭复合电极的比电容为587F/g,而活性炭电极仅为140F/g。在50次充放电循环后,聚苯胺电极比电容从513降至334F/g,而聚苯胺/活性炭复合电极从415F/g下降为383F/g。

引用

页码：275 / 280

页数：6

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