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超级电容器近期研究专辑(南京航空航天大学 张校刚教授主编)

氢氧化钾活化制备超级电容器多孔碳电极材料

  • 叶江林 ,
  • 朱彦武
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  • 中国科学院能量转换材料重点实验室,中国科学技术大学材料科学与工程系,能源材料化学协同创新中心,安徽合肥 230026

收稿日期: 2017-03-06

  修回日期: 2017-06-05

  网络出版日期: 2017-10-28

基金资助

国家自然科学基金项目(51322204)资助

Porous Carbon Materials Produced by KOH Activation for Supercapacitor Electrodes

  • YE Jiang-lin ,
  • ZHU Yan-wu
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  • CAS Key Laboratory of Materials for Energy Conversion & Department of Materials Science and Engineering, & iChEM, University of Science and Technology of China, Hefei 230026, P. R. China

Received date: 2017-03-06

  Revised date: 2017-06-05

  Online published: 2017-10-28

摘要

具有高比表面积、良好导电性的多孔碳材料在超级电容器中有着广泛的应用前景. 大量的研究工作致力于通过物理或者化学手段合成并调控多孔材料的微观结构. 在众多多孔碳材料的制备方式中,氢氧化钾作为一种高效的活化剂,常用于制备具有良好孔径分布和高比表面积多孔碳电极材料. 本文主要结合作者课题组的研究工作,着重概述利用氢氧化钾活化sp2碳纳米材料制备多孔碳材料的机理过程、结构形貌的转变以及所得材料的电化学性能,希望对发展新型的高性能基多孔碳材料的超级电容器电极材料有所帮助.

本文引用格式

叶江林 , 朱彦武 . 氢氧化钾活化制备超级电容器多孔碳电极材料[J]. 电化学, 2017 , 23(5) : 548 -559 . DOI: 10.13208/j.electrochem.170341

Abstract

Porous carbon materials with high specific surface area and excellent conductivity have wide applications in supercapacitor electrodes. Much effort has been made to synthesize and tailor the microstructures of porous carbon materials via various activation procedures (physical and chemical activations). In particular, the chemical activation using potassium hydroxide (KOH) as an activating reagent is promising because of the well-defined micropore size distribution and ultrahigh specific surface area up to 3000 m2·g-1 of the resulting porous carbons. Based mainly on the previous works taken by the authors and collaborators in the field, we have summarized the activation mechanism of KOH, the conversion of the carbon resources to porous carbons and the performance of the resulting porous carbons in supercapacitor electrodes. We hope that this review will be helpful to promote the development of high-performance porous carbon materials as supercapacitor electrodes.

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