循环伏安法制备聚苯胺/活性炭超级电容器膜电极

doi:10.3969/j.issn.0438-1157.2012.10.046

化工学报 ›› 2012, Vol. 63 ›› Issue (10): 3330-3336.DOI: 10.3969/j.issn.0438-1157.2012.10.046

• 材料化学工程与纳米技术 • 上一篇下一篇

循环伏安法制备聚苯胺/活性炭超级电容器膜电极

代红蕾, 田艳红, 张学军, 张莎, 马小丰

北京化工大学有机无机复合材料国家重点实验室, 北京 100029

收稿日期:2012-02-20 修回日期:2012-04-17 出版日期:2012-10-05 发布日期:2012-10-05
通讯作者: 田艳红
作者简介:田艳红,代红蕾(1985- ),男,硕士研究生。

Preparation of polyaniline/activated carbon used for supercapacitor film electrode by cyclic voltammetry

DAI Honglei, TIAN Yanhong, ZHANG Xuejun, ZHANG Sha, MA Xiaofeng

State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China

Received:2012-02-20 Revised:2012-04-17 Online:2012-10-05 Published:2012-10-05

摘要/Abstract

摘要： 采用电化学循环伏安法,在柔性石墨纸基底材料上合成了聚苯胺/活性炭(PANI/AC)复合薄膜。通过SEM观察了不同扫描圈数下复合薄膜的表面形貌,通过循环伏安(CV)、交流阻抗(EIS)、恒流充放电等电化学测试方法,研究了聚苯胺/活性炭复合电极的电性能。由SEM图谱可知,不同扫描圈数下,聚苯胺/活性炭的形态也有所不同,电化学测试结果表明,以柔性石墨纸为基底材料,扫描圈数在3圈时,不仅比容量较高,达504 F·g^-1,而且循环稳定性较好,经2000次循环后,容量衰减仅为初始容量的14%。

关键词: 电化学电容器, 聚苯胺/活性炭, 循环伏安法, 柔性石墨纸, 聚苯胺

Abstract: Cyclic voltammetry was used to deposite polyaniline/activated carbon(PANI/AC)film on flexible graphite paper.The surface morphology of the PANI/AC film was characterized by SEM,and the electrochemical properties of PANI/AC film electrode were investigated by cyclic voltammetry(CV),electrochemical impedance spectroscopy(EIS)and galvanostatic charge-discharge.From SEM graphs,PANI/AC film had different forms with increasing scan cycles,and from electrochemical measuring results,PANI/AC electrode synthesized by three scan cycles had the best electrochemical performance among those different scan cycles electrodes.Specific capacitance was about 504 F穏^-1,and only about 14% of the initial capacitance was lost after 2000 cycles in circling life process.

Key words: electrochemical capacitor, polyaniline/activated carbon, cyclic voltammetry, flexible graphite paper, polyaniline

中图分类号:

O646

代红蕾, 田艳红, 张学军, 张莎, 马小丰. 循环伏安法制备聚苯胺/活性炭超级电容器膜电极[J]. 化工学报, 2012, 63(10): 3330-3336.

DAI Honglei, TIAN Yanhong, ZHANG Xuejun, ZHANG Sha, MA Xiaofeng. Preparation of polyaniline/activated carbon used for supercapacitor film electrode by cyclic voltammetry[J]. CIESC Journal, 2012, 63(10): 3330-3336.

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循环伏安法制备聚苯胺/活性炭超级电容器膜电极

Preparation of polyaniline/activated carbon used for supercapacitor film electrode by cyclic voltammetry

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