Supercapacitor Devices Based on Graphene Materials

被引：2276

作者：

Wang, Yan ^{[1
,2
]}

Shi, Zhiqiang ^{[3
]}

Huang, Yi ^{[1
,2
]}

Ma, Yanfeng ^{[1
,2
]}

Wang, Chengyang ^{[3
]}

Chen, Mingming ^{[3
]}

Chen, Yongsheng ^{[1
,2
]}

机构：

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

[2] Nankai Univ, Coll Chem, Inst Polymer Chem, Ctr Nanoscale Sci & Technol, Tianjin 300071, Peoples R China

[3] Tianjin Univ, Sch Chem Engn & Technol, State Educ Minist, Key Lab Green Chem Technol, Tianjin 300072, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 30期

关键词：

ELECTROCHEMICAL CAPACITORS; CARBON NANOTUBES; ELECTRODE; NITROGEN; SURFACE; PERFORMANCE; PRINCIPLES; NANOSHEETS;

D O I：

10.1021/jp902214f

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：

Graphene materials (GMs) as supercapacitor electrode materials have been investigated. GMs are prepared from graphene oxide sheets, and subsequently suffer a gas-based hydrazine reduction to restore the conducting carbon network. A maximum specific capacitance of 205 F/g with a measured power density of 10 kW/kg at energy density of 28.5 Wh/kg in an aqueous electrolyte solution has been obtained. Meanwhile, the supercapacitor devices exhibit excellent long cycle life along with similar to 90% specific capacitance retained after 1200 cycle tests. These remarkable results demonstrate the exciting commercial potential for high performance, environmentally friendly and low-cost electrical energy storage devices based on this new 2D graphene material.

引用

页码：13103 / 13107

页数：5

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