石墨烯基超级电容器研究进展

被引：29

作者：

杨德志 ^{[1
]}

沈佳妮 ^{[1
]}

杨晓伟 ^{[1
,2
]}

马紫峰 ^{[1
]}

机构：

[1] 上海交通大学电化学与能源技术研究所

[2] Department of Materials Engineering,Monash University

来源：

储能科学与技术 | 2014年 / 3卷 / 01期

关键词：

石墨烯; 超级电容器; 导电聚合物; 金属氧化物; 能量密度; 功率密度;

D O I：

暂无

中图分类号：

TM53 [电容器];

学科分类号：

080801 ;

摘要：

超级电容器是最具应用前景的电化学储能技术之一。目前,超级电容器的研究重点是提高能量密度和功率密度,发展具有高比表面积、电导率和结构稳定性的电极材料是关键。石墨烯因具有比表面积大、电子导电性高、力学性能好的特点而成为理想的电容材料,但石墨烯的理论容量不高,在石墨烯基电极制备过程中容易发生堆叠现象,导致材料比表面积和离子电导率下降。因此,发展合适的制备方法,对石墨烯进行修饰或与其他材料形成复合电极材料是一种有效解决途径。本文对石墨烯基电极及其在双电层电容器、法拉第准电容器和混合型超级电容器中的应用的研究进展进行归纳,重点介绍了石墨烯凝胶薄膜电极的制备过程,以促进石墨烯基电极在超级电容器构筑中应用。

引用

页码：1 / 8

页数：8

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