Preventing Graphene Sheets from Restacking for High-Capacitance Performance

被引：338

作者：

Wang, Yan ^{[1
]}

Wu, Yingpeng

Huang, Yi

Zhang, Fan

Yang, Xi

Ma, Yanfeng

Chen, Yongsheng

机构：

[1] Nankai Univ, Coll Chem, Key Lab Funct Polymer Mat, Inst Polymer Chem, Tianjin 300071, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2011年 / 115卷 / 46期

关键词：

OXIDE; SUPERCAPACITOR; COMPOSITE; ELECTRODES; REDUCTION; FILMS;

D O I：

10.1021/jp206444e

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Aiming at preventing restacking of individual graphene sheets by using a simple green hydrothermal route, we have introduced carbon nanotubes to act as the spacer in fabricating a three-dimensional (3-D) hierarchical structure with graphene sheets. These 3-D hierarchical structure materials have been used to fabricate supercapacitor devices, and a high specific capacitance of 318 F/g for graphene with an energy density of 11.1 (W h)/kg has been achieved.

引用

收藏

页码：23192 / 23197

页数：6

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