Synthesis and electrochemical properties of LiY0.1V3O8

被引：36

作者：

Feng, C. Q. ^{[1
,2
]}

Huang, L. F. ^{[2
]}

Guo, Z. P. ^{[1
,3
]}

Wang, J. Z. ^{[1
,3
]}

Liu, H. K. ^{[1
,3
]}

机构：

[1] Univ Wollongong, Inst Superconduct & Elect Mat, Wollongong, NSW 2522, Australia

[2] Hubei Univ, Fac Chem & Mat Sci, Wuhan 430062, Peoples R China

[3] Univ Wollongong, ARC Ctr Excellence Electromat Sci, Wollongong, NSW 2522, Australia

来源：

JOURNAL OF POWER SOURCES | 2007年 / 174卷 / 02期

基金：

澳大利亚研究理事会;

关键词：

doped lithium vanadate; rheological phase reaction method; lithium ion battery;

D O I：

10.1016/j.jpowsour.2007.06.248

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：

LiY0.1V3O8 compound was successfully prepared by using a simple, rapid and easily scaled up method, i.e. the theological phase reaction method. The microstructural characteristics of LiY0.1V3O8 materials were examined by X-ray diffraction and scanning electron microscopy (SEM). Compared with LiV3O8 compound, the LiY0.1V3O8 shows expanded crystal lattices, and the expansion is more significant along the c-axis. The electrochemical properties of the as-synthesized LiY0.1V3O8 compounds were investigated. It was found that the LiY0.1V3O8 electrodes exhibited better reversibility and higher capacities than LiV3O8 electrodes. The reasons for the improved electrochemical performance of the LiY0.1V3O8 electrodes are also discussed. (C) 2007 Published by Elsevier B.V.

引用

页码：548 / 551

页数：4

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