Graphene as a high-capacity anode material for lithium ion batteries
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- 作者：Hongdong Liu (1668)
Jiamu Huang (1668)
Xinlu Li (1668)
Jia Liu (1668)
Yuxin Zhang (1668) - 关键词：graphene ; anode material ; lithium ion batteries ; high capacity
- 刊名：Journal of Wuhan University of Technology--Materials Science Edition
- 出版年：2013
- 出版时间：April 2013
- 年：2013
- 卷：28
- 期：2
- 页码：220-223
- 全文大小：278KB
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Jiamu Huang (1668)
Xinlu Li (1668)
Jia Liu (1668)
Yuxin Zhang (1668)
1668. School of Materials Science and Engineering, Chongqing University, Chongqing, 400045, China - ISSN：1993-0437
文摘
Graphene was produced via a soft chemistry synthetic route for lithium ion battery applications. The sample was characterized by X-ray diffraction, nitrogen adsorption-desorption, field emission scanning electron microscopy and transmission electron microscopy, respectively. The electrochemical performances of graphene as anode material were measured by cyclic voltammetry and galvanostatic charge/discharge cycling. The experimental results showed that the graphene possessed a thin wrinkled paper-like morphology and large specific surface area (342 m2·g). The first reversible specific capacity of the graphene was as high as 905 mA·h·g at a current density of 100 mA·g. Even at a high current density of 1000 or 2000 mA·g, the graphene maintained good cycling stability, indicating that it is a promising anode material for high-performance lithium ion batteries.