Lithium insertion mechanism in Sb-based electrode materials from 121Sb Mossbauer spectrometry

被引：45

作者：

Aldon, L

Garcia, A

Olivier-Fourcade, J

Jumas, JC

Fernández-Madrigal, FJ

Lavela, P

Vicente, CP

Tirado, JL

机构：

[1] Univ Montpellier 2, Lab Agregats Mol & Mat Inorgan, CNRS, UMR 5072, F-34095 Montpellier 5, France

[2] Univ Cordoba, Lab Quim Inorgan, E-14071 Cordoba, Spain

来源：

JOURNAL OF POWER SOURCES | 2003年 / 119卷

关键词：

lithium insertion mechanism; Sb-based materials; Sb-121 Mossbauer data;

D O I：

10.1016/S0378-7753(03)00299-4

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：

Lithium insertion mechanism in some antimony-based compounds: SnSb, CoSb3, CrSb2, TiSb2 has been studied by means of Sb-121 Mossbauer spectrometry which gives valuable information about the local electronic structure of the probed element (Sb). The structural and electronic modifications induced by insertion of lithium have been characterized. For these Sb-based materials the lithium insertion mechanisms involve Li3Sb formation and composite multi-phase separations with one component displaced from the pristine compound. (C) 2003 Elsevier Science B.V. All rights reserved.

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收藏

页码：585 / 590

页数：6

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