MnO nanoparticles anchored on graphene nanosheets via in situ carbothermal reduction as high-performance anode materials for lithium-ion batteries

被引：44

作者：

Qiu, Danfeng ^{[1
]}

Ma, Luyao ^{[1
]}

Zheng, Mingbo ^{[1
]}

Lin, Zixia ^{[1
]}

Zhao, Bin ^{[1
]}

Wen, Zhe ^{[1
]}

Hu, Zibo ^{[1
]}

Pu, Lin ^{[1
]}

Shi, Yi ^{[1
]}

机构：

[1] Nanjing Univ, Sch Elect Sci & Engn, Nanjing Natl Lab Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

MATERIALS LETTERS | 2012年 / 84卷

基金：

中国博士后科学基金;

关键词：

MnO; Graphene; Nanoparticles; Nanocomposites; Energy storage and conversion; Lithium-ion battery; NANOSTRUCTURES;

D O I：

10.1016/j.matlet.2012.06.045

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A MnO nanoparticle/graphene composite was prepared via in situ carbothermal reduction of Mn3O4 on the surface of graphene nanosheets. The formed MnO nanoparticles with diameters ranging from 20 nm to 250 nm integrated tightly with the graphene nanosheets. As anode material for lithium-ion batteries, the nanocomposite showed a high specific capacity of approximately 700 mA h g(-1) at 100 mA g(-1). excellent cyclic stability, and good rate capability. During the charge-discharge process, graphene nanosheets served as a three-dimensional conductive network for MnO nanoparticles. Furthermore, the detachment and agglomeration of MnO nanoparticles were effectively prevented due to the tight combination of MnO nanoparticles and graphene. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：9 / 12

页数：4

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