Preparation of activated carbon paper by modified Hummer’s method and application as vanadium redox battery

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• 作者：Yiwen Xie ; Zhiyu Cheng ; Bing Guo ; Yongfu Qiu ; Hongbo Fan ; Shoufang Sun ; Tao Wu…
• 关键词：Vanadium ; Carbon ; Nanomaterials ; Battery
• 刊名：Ionics
• 出版年：2015
• 出版时间：January 2015
• 年：2015
• 卷：21
• 期：1
• 页码：283-287
• 全文大小：653 KB
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• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Electrochemistry
  Materials Science
  Physical Chemistry
  Condensed Matter
  Renewable Energy Sources
  Electrical Power Generation and Transmission
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1862-0760

文摘

In this report, the activated carbon papers were prepared by the modified Hummer’s method. After the treatment by the modified Hummer’s method, the specific surface areas of carbon papers enlarged and the surfaces became wettability. Further, the electrochemical behaviors for the activated carbon papers were measured. They exhibit higher electrochemical activities for VO2+/VO2sub> + redox reaction than the unactivated counterparts upon application as vanadium redox battery, which is ascribed to the synergistic effect of surface wettability and catalysis of the docked –OH and –COOH groups.