Preparation of amorphous 75L2S•χP2S3 •(25-χ)P2S5 (mol%) solid electrolytes by a high-energy ball-milling process and their application for an all-solid-state lithium battery

被引：50

作者：

Machida, N ^{[1
]}

Yamamoto, H ^{[1
]}

Asano, S ^{[1
]}

Shigematsu, T ^{[1
]}

机构：

[1] Konan Univ, Dept Chem, Higashinada Ku, Kobe, Hyogo 6588501, Japan

来源：

SOLID STATE IONICS | 2005年 / 176卷 / 5-6期

基金：

日本学术振兴会;

关键词：

Li2S; lithium ion; lithium battery; solid electrolyte; mechanical milling;

D O I：

10.1016/j.ssi.2004.08.019

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：

Preparation of lithium ion conducting solid electrolytes in the composition 75Li(2)S . xP(2)S(3) . (25 - x)P2S5 (mol%) was attempted by use of a high-energy ball-milling process at room temperature. Amorphous samples were obtained in the composition range of x = 0 to x = 5. In the samples with x greater than or equal to 8.3, a crystalline Li2S phase was remained after the ball milling for 50 It. The lithium ion conductivity at 298 K of the amorphous samples was increased with an increase in x, and the amorphous sample with x = 5 showed the highest lithium ion conductivity of 6.2 x 10(-4) S . cm(-1) at 298 K among the obtained samples. A laboratory-scale all-solid-state lithium battery using the amorphous sample with x = 5 showed good discharge-charge performance at room temperature. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：473 / 479

页数：7

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