Synthesis and electrochemical performance of high voltage cycling LiCo0.8M0.2O2 (M = Mg, Ca, Ba) as cathode material

被引：29

作者：

Sathiyamoorthi, R. ^{[1
]}

Chandrasekaran, R. ^{[1
]}

Gopalan, A. ^{[1
]}

Vasudevan, T. ^{[1
]}

机构：

[1] Alagappa Univ, Dept Ind Chem, Karaikkudi 630003, Tamil Nadu, India

来源：

MATERIALS RESEARCH BULLETIN | 2008年 / 43卷 / 06期

关键词：

ceramics; intercalation reactions; X-ray diffraction; electrochemical measurements; infrared spectroscopy;

D O I：

10.1016/j.materresbull.2007.06.039

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

New single phase undoped LiCoO2 and doped LiCo0.8M0.2O2 (M = Mg, Ca, Ba) layered oxide materials have been synthesized by a low temperature solid-state reaction. The phase purity and cation environment of the synthesized oxides were characterized using XRD and FT-IR. The particle size, nature, morphological properties and the composition of the synthesized oxides were examined by TEM and SEM with EDAX analysis. Finally, the electrochemical behaviour of the prepared layered materials was studied using cyclic voltammetry and charge-discharge cycling. LiCo0.8Mg0.2O2 has better cycling results compared to all other materials. These results have also been supported by cyclic voltammograms. (C) 2007 Published by Elsevier Ltd.

引用

页码：1401 / 1411

页数：11

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