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林产化学与工业 ›› 2018, Vol. 38 ›› Issue (1): 1-8.doi: 10.3969/j.issn.0253-2417.2018.01.001

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纤维素导电气凝胶及其复合材料在超级电容器中应用的研究进展

杨喜, 孔令宇, 刘杏娥, 马建锋, 江泽慧   

  1. 国际竹藤中心, 竹藤科学与技术重点实验室, 北京 100102
  • 收稿日期:2017-08-02 出版日期:2018-02-25 发布日期:2018-02-28
  • 通讯作者: 江泽慧,教授,博士生导师,研究方向为竹藤材性基础研究及竹藤材深加工利用技术;E-mail:jiangzehui@icbr.ac.cn。 E-mail:jiangzehui@icbr.ac.cn
  • 作者简介:杨喜(1989-),女,湖南岳阳人,博士生,主要研究方向为生物质炭纳米材料;E-mail:yangxijy@126.com
  • 基金资助:
    “十三五”国家重点研发计划资助(2017YFD0600804)

Research Progress of Cellulose Conductive Aerogels and Composites in Supercapacitors

YANG Xi, KONG Lingyu, LIU Xing'e, MA Jianfeng, JIANG Zehui   

  1. International Centre for Bamboo and Rattan, Key Laboratory of Bamboo and Rattan Science and Technology, Beijing 100102, China
  • Received:2017-08-02 Online:2018-02-25 Published:2018-02-28

摘要: 概述了纤维素气凝胶通过炭化和复合导电物质实现导电功能的技术手段,及其在超级电容器中的应用研究现状。重点介绍了纤维素导电气凝胶孔结构及其复合结构对超级电容器电化学性能的影响,包括:依据电解液离子大小调控电极材料的孔结构和孔径分布,优化双电层电容行为;借助石墨烯等高导电性物质提高复合材料的导电性和比表面积,实现复合电极材料性能的增强及其在柔性能源储存装置中的应用;结合纤维素炭气凝胶优良的导电性与结构稳定性以及金属化合物高的赝电容和大的能量密度特性,实现复合电极材料中双电层电容和赝电容的协同增效作用。最后针对纤维素导电气凝胶及其复合材料在制备和超级电容器应用中面临的机遇与挑战,指出未来发展方向。

关键词: 纤维素导电气凝胶, 炭化, 复合, 电化学性能

Abstract: The technical means that the cellulose aerogels achieving electrically conductive function by carbonization and combining conductive materials and their application in supercapacitors were summarized.The effects of pore structure and hybrid structure of cellulose conductive aerogels on the electrochemical properties were also introduced.This review also detailed the latest researches on improving electrical double-layer capacitor properties by controlling the pore structure according to the electrolyte ionic size;on compositing high conductive material (graphene);on taking advantages of excellent electrical conductivity and high structural stability in carbon aerogel together with the large capacitance and high energy density in metal compounds to achieve the synergistic effect of electric double layer capacitance and pseudocapacitance.Additionally,the prospects of the opportunities and challenges in the fabrication and energy-storage application of cellulose conductive materials were elucidated.

Key words: cellulose conductive aerogel, carbonization, composite, electrochemical properties

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