High-performance polypyrrole electrode materials for redox supercapacitors

被引：374

作者：

Fan, Li-Zhen ^{[1
]}

Maier, Joachim ^{[1
]}

机构：

[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2006年 / 8卷 / 06期

关键词：

polypyrrole; supercapacitor; electrodeposition; specific capacitance;

D O I：

10.1016/j.elecom.2006.03.035

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Highly active polypyrrole electrodes for redox supercapacitors were prepared by electrodeposition on Ti foil via cyclic voltammetry at a scan rate of 200 mV/s in oxalic acid solution and subsequently characterized in 1 M KCl. Scanning electron microscopy showed that the polypyrrole has a highly porous nanostructure leading to a very high specific capacitance of about 480 +/- 50 F/g. The electrode exhibted a high stability during cycle life test. The effects of the mass of polypyrrole electrode materials on the specific capacitance were also investigated. (C) 2006 Elsevier B.V. All rights reserved.

引用

页码：937 / 940

页数：4

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