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活性炭纤维毡直接用作超级电容器电极

岳淑芳 马兰 徐斌 初茉

电池2011,Vol.41Issue(2):62-65,4.
电池2011,Vol.41Issue(2):62-65,4.

活性炭纤维毡直接用作超级电容器电极

Activated carbon fiber felt used directly as electrode for supercapacitor

岳淑芳 1马兰 2徐斌 2初茉1

作者信息

  • 1. 中国矿业大学(北京)化学与环境工程学院,北京100083
  • 2. 防化研究院,北京100191
  • 折叠

摘要

Abstract

Electrochemical capacitive performance of commercial activated carbon fiber felt (ACFC) used directly as electrode for supercapacitor in 6 mol/L KOH electrolyte was studied. The BET specific surface area of ACFC was 2 066 m2/g with a nitrogen content of 1.48%. The effect of electric double layer capacitance produced by its high specific surface area and the pseudo-capacitance by the nitrogen atom made the specific capacitance of ACFC reach to 194 F/g at the current of 50 mA/g. The high current performance of ACFC was fine due to the open pere structure of fiber and no binder adding in the felt electrode. As the current increased to 20 A/g, the specific capacitance remained 118 F/g.

关键词

超级电容器/活性炭纤维毡/电极/比电容

Key words

supercapacitor/ activated carbon fiber felt/ electrode/ specific capacitance

分类

信息技术与安全科学

引用本文复制引用

岳淑芳,马兰,徐斌,初茉..活性炭纤维毡直接用作超级电容器电极[J].电池,2011,41(2):62-65,4.

基金项目

国家自然科学基金项目(20502112) (20502112)

电池

OA北大核心CSCDCSTPCD

1001-1579

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