Mechanochemical synthesis of Li-argyrodite Li6PS5X (X = Cl, Br, I) as sulfur-based solid electrolytes for all solid state batteries application

被引：413

作者：

Boulineau, Sylvain ^{[1
]}

Courty, Matthieu ^{[1
]}

Tarascon, Jean-Marie ^{[1
]}

Viallet, Virginie ^{[1
]}

机构：

[1] Univ Picardie Jules Verne, LRCS, CNRS UMR7314, F-80039 Amiens, France

来源：

SOLID STATE IONICS | 2012年 / 221卷

关键词：

All solid state batteries; Lithium battery; Solid electrolytes; Mechanical milling; Argyrodite; Ionic conductivity; LITHIUM; MOBILITY; PHASE;

D O I：

10.1016/j.ssi.2012.06.008

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：

Highly ion-conductive Li6PS5X (X = Cl, Br, I) Li-argyrodites were prepared through a high-energy ball milling. Electrical and electrochemical properties were investigated. Ball-milled compounds exhibit a high conductivity between 2 and 7 x 10(-4) S/cm with an activation energy of 0.3-0.4 eV for conduction. These attractive properties were attributed to the spontaneous formation of crystallized Li-argyrodite during ball-milling. An optimization of milling time led to a conductivity of 1.33 x 10(-3) S/cm for the Li6PS5Cl phase with an electrochemical stability up to 7 V vs. lithium. An all solid state LiCoO2/Elec./ln lithium ion battery using ball-milled Li6PS5Cl as electrolyte was successfully assembled, and its room temperature performance is reported. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：1 / 5

页数：5

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