Carbon nanofiber/graphene composite paper for flexible supercapacitors with high volumetric capacitance

被引：19
|
作者：
Ma, Chang [1 ]
Wang, Xiu [1 ]
Ma, Yuan [1 ]
Sheng, Jie [1 ]
Li, Yajuan [1 ]
Li, Sizhong [2 ]
Shi, Jingli [1 ]
机构：
[1] Tianjin Polytech Univ, Sch Mat Sci & Engn, State Key Lab Hollow Fiber Membrane Mat & Proc, Tianjin 300387, Peoples R China
[2] Huaqiao Univ, Coll Mat Sci & Engn, Xiamen 361021, Fujian, Peoples R China
来源：
MATERIALS LETTERS | 2015年 / 145卷
关键词：
Carbon nanofiber; Graphene; Flexible supercapacitors; Volumetric capacitance; NANOFIBERS;
D O I：
10.1016/j.matlet.2015.01.106
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Flexible carbon nanoflber/graphene composite paper (CGCP) was fabricated by vacuum-assisted filtration of aqueous suspension of phenolic nanofibers and graphene oxide, followed by one-step thermal treatment. CGCP displayed a carbon nanoflber/graphene sandwich structure, excellent flexibility, high bulk density (0.59 g cm(-3)) and excellent conductivity (7.6 S cm(-1)), and could be used as supercapacitor electrodes free of binder. Electrochemical measurement results revealed that CGCP had high volumetric capacitance (112 F cm(-3)), much higher than that of traditional electrospun carbon nanofiber paper (30 F cm(-3)). (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：197 / 200
页数：4
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