Synthesis of a new lithium ionic conductor, thio-LISICON-lithium germanium sulfide system

被引：319

作者：

Kanno, R ^{[1
]}

Hata, T ^{[1
]}

Kawamoto, Y ^{[1
]}

Irie, M ^{[1
]}

机构：

[1] Kobe Univ, Fac Sci, Dept Chem, Kobe, Hyogo 657, Japan

来源：

SOLID STATE IONICS | 2000年 / 130卷 / 1-2期

关键词：

thio-LISICON; lithium ion conductor; lithium conductivity; all-solid-state cell;

D O I：

10.1016/S0167-2738(00)00277-0

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：

The new thio-LISICON (LIthium SuperTonic CONductor) found in the Li2S-GeS2, Li2S-GeS2-ZnS and Li2S-GeS2-Ga2S3 systems have structures related to the gamma-Li3PO4-type. Six new materials were found (Li2GeS3, Li4GeS4, Li2ZnGeS4, Li4-2xZnxGeS4, Li5GaS4 and Li4+x+delta(Ge1-delta'-xGax)S-4), and Li4+x+delta-(Ge1-delta'-xGax)S-4 showed the highest conductivity of 6.5 X 10(-5) S cm(-1) at room temperature. Our results on electrochemical measurements indicated that Li4+x+delta(Ge1-delta'-x-Ga-x)S-4 is stable up to approximate to 5 V vs. Li. An all-solid-state lithium cells using Li/Li4+x+delta-(Ge1-delta'-xGax)S-4/LiCoO2 was also examined. (C) 2000 Published by Elsevier Science B.V. All rights reserved.

引用

页码：97 / 104

页数：8

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