The unusual electrochemical characteristics of a novel three-dimensional ordered bicontinuous mesoporous carbon

被引:39
作者
Wang, T [1 ]
Liu, XY [1 ]
Zhao, DY [1 ]
Jiang, ZY [1 ]
机构
[1] Fudan Univ, Dept Chem, Shanghai Key Lab Mol Catal & Innovat Mat, Shanghai 200433, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1016/j.cplett.2004.03.086
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
The electrochemical properties of the ordered three-dimensional (3D) mesoporous carbon, synthesized by using mesoporous silica (FDU-5) as a hard template from an impregnation procedure, has been firstly explored as an anode material for lithium-ion batteries. The material presents uniform pore size of 7.4 nm, BET surface area of 750 m(2)/g. As a novel nano-material C-FDU-5 shows almost constant resistance and Li+ diffusion coefficient when the potential is lower than the critical potential. The material also presents a reversible capacity higher than that of carbon nanotubes, and can be charge/discharged at the large current rate. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:327 / 331
页数:5
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