Lithium in In2S3

被引：6

作者：

Dedryvère, R

Uhrmacher, M

Lohstroh, A

Picard-Garcia, A

Olivier-Fourcade, J

Jumas, JC

机构：

[1] Univ Gottingen, Inst Phys 2, D-37073 Gottingen, Germany

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

来源：

HYPERFINE INTERACTIONS | 2001年 / 136卷 / 3-8期

关键词：

lithium-ion battery; In2S3; PAC; sulfospinel; Li-insertion;

D O I：

10.1023/A:1020554203723

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

The electrochemical insertion of lithium into beta-In2S3 at different concentrations has been investigated by means of gammagamma-Perturbed Angular Correlations measurements using implanted radioactive(111) In nuclei. The study of the hyperfine interactions of the Cd-111 nuclei during the decay In-111(EC)Cd-111 allowed to determine the evolution of the three observed electric field gradients at different temperatures and lithium contents. This study reveals a great difference of behavior between the three indium sites of the structure, and shows the mobility of indium ions and their partial reduction after lithium insertion. In2S3 is good model material to study the properties of more complex materials based on this structure, which may be used as electrodes for lithium-ion batteries.

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页码：479 / 484

页数：6

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