Electrochemical behavior of α-MoO3 nanorods as cathode materials for rechargeable lithium batteries

被引:23
作者
Wen, Zhenhai
Wang, Qiang
Li, Jinghong [1 ]
机构
[1] Tsinghua Univ, Dept Chem, Beijing 100084, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Coll Chem & Chem Engineer, Beijing 100039, Peoples R China
关键词
alpha-MoO3; nanorods; lithium-ion battery; electrochemical property;
D O I
10.1166/jnn.2006.356
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The electrochemical properties of alpha-MoO3 nanorods, which were synthesized via a solution-based method and following calcination, have been reported as a cathode material for rechargeable lithium batteries. Detailed lithium-insertion process of the material has been conducted by means of cyclic voltammetry, galvanostatic method, and impedance technique, and superior features associated with the nanostructures have been observed. The alpha-MoO3 nanorods exhibited an initial discharge capacity of 271.8 mAh/g under a current density of 0.1 mA/cm(2) in the range 1.0 similar to 3.0 V, which nearly approached the theoretical capacity 280 mAh/g. Comparison of the structural and electrochemical characteristics with those of bulk alpha-MoO3 suggests the enhanced electrochemical performance might be related to the rodlike structure and increased edge and corner effects.
引用
收藏
页码:2117 / 2122
页数:6
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