Electrophoretic deposition of graphene nanosheets on nickel foams for electrochemical capacitors

被引：182

作者：

Chen, Yao ^{[1
,2
]}

Zhang, Xiong ^{[1
]}

Yu, Peng ^{[1
,2
]}

Ma, Yanwei ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Graphene nanosheets; Nickel foams; Electrochemical capacitors; Electrophoretic deposition; ACTIVATED CARBON; PERFORMANCE; ROUTE;

D O I：

10.1016/j.jpowsour.2009.11.057

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 nanosheets are deposited on nickel foams with 3D porous structure by an electrophoretic deposition method using the colloids of graphene monolayers in ethanol as electrolytes. The high specific capacitance of 164 Fg(-1) is obtained from cyclic voltammetry measurement at a scan rate of 10 mV s(-1). When the current densities are set as 3 and 6 Ag-1, the specific capacitance values still reach 139 and 100 Fg(-1), respectively. The high capacitance is attributed to nitrogen atoms in oxidation product of p-phenylene diamine (OPPD) adsorbed on the surface of the graphene nanosheets. The comparable results suggest potential application to electrochemical capacitors based on the graphene nanosheets. (c) 2009 Elsevier B.V. All rights reserved.

引用

页码：3031 / 3035

页数：5

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