Solvothermal synthesis and electrochemical performances of nanosized CoSb3 as anode materials for Li-ion batteries

被引：42

作者：

Xie, J ^{[1
]}

Zhao, XB ^{[1
]}

Cao, GS ^{[1
]}

Zhao, MJ ^{[1
]}

Su, SF ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2005年 / 140卷 / 02期

基金：

中国国家自然科学基金;

关键词：

CoSb3; anode material; solvothermal synthesis; nanosized materials; Li-ion batteries;

D O I：

10.1016/j.jpowsour.2004.08.027

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：

In the present study, the CoSb3 powder was prepared by solvothermal route for the first time and the particle size of the as-prepared powder is in nanoscale. The electrochemical performances of the nanosized CoSb3 were characterized by galvanostatic charge and discharge cycling, cyclic voltammogram (CV) and electrochemical impedance spectroscopy (EIS). The electrochemical lithiation and delithiation mechanism of CoSb3 compound was investigated by ex situ XRD (X-ray diffraction) technique. The large reversible capacity and good cycling stability of nanosized CoSb3 suggest that it stands as a promising anode material for secondary Li-ion batteries. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：350 / 354

页数：5

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