Preparation of MnO2/graphene composite as electrode material for supercapacitors

被引：136

作者：

Qian, Yong ^{[2
]}

Lu, Shunbao ^{[3
]}

Gao, Fenglei ^{[1
]}

机构：

[1] Wenzhou Univ, Nanomat & Chem Key Lab, Wenzhou 325027, Peoples R China

[2] E China Inst Technol, Key Lab Radioact Geol & Explorat Technol Fundamen, Fuzhou 344000, Peoples R China

[3] Jiangxi Normal Univ, Coll Life Sci, Nanchang 330027, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE | 2011年 / 46卷 / 10期

基金：

中国国家自然科学基金;

关键词：

CAPACITIVE BEHAVIOR; GRAPHENE SHEETS; NANOCOMPOSITE; PERFORMANCE; REDUCTION; FILMS; MNO2;

D O I：

10.1007/s10853-011-5260-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

MnO2/graphene composite was synthesized by a facile and effective polymer-assisted chemical reduction method. The nanosized MnO2 particles were homogeneously distributed on graphene nanosheets, which have been confirmed by scanning electron microscopy and transmission electron microscopy analysis. The capacitive properties of the MnO2/graphene composite have been investigated by cyclic voltammetry(CV). MnO2/graphene composite exhibited a high specific capacitance of 324 F g(-1) in 1 M Na2SO4 electrolyte. In addition, the MnO2/graphene composite electrode shows excellent long-term cycle stability (only 3.2% decrease of the specific capacitance is observed after 1,000 CV cycles).

引用

页码：3517 / 3522

页数：6

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