The thermal stability of lithium-manganese-oxide spinel phases

被引：132

作者：

Thackeray, MM

Mansuetto, MF

Dees, DW

Vissers, DR

机构：

[1] Electrochemical Technology Program, Chemical Technology Division, Argonne National Laboratory, Argonne, IL 60439

来源：

MATERIALS RESEARCH BULLETIN | 1996年 / 31卷 / 02期

关键词：

oxides; thermogravimetric analysis (TGA); X-ray diffraction; electrochemical properties;

D O I：

10.1016/0025-5408(95)00190-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The thermal stability of stoichiometric spinel phases in the system Li1+deltaMn2-deltaO4 (0 less than or equal to delta less than or equal to 0.33) has been investigated by high-temperature powder X-ray diffraction, differential thermal analysis, and thermogravimetric analysis. At elevated temperatures, the lithium-manganese-oxide spinels undergo phase changes by loss of oxygen and lithia (Li2O). The data highlight the importance of temperature control when synthesising lithium-manganese-oxide spinel compounds.

引用

页码：133 / 140

页数：8

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