Air-stable Li3InCl6 electrolyte with high voltage compatibility for all-solid-state batteries

被引：437

作者：

Li, Xiaona ^{[1
]}

Liang, Jianwen ^{[1
]}

Luo, Jing ^{[1
]}

Banis, Mohammad Norouzi ^{[1
,2
]}

Wang, Changhong ^{[1
]}

Li, Weihan ^{[1
,3
]}

Deng, Sixu ^{[1
]}

Yu, Chuang ^{[1
]}

Zhao, Feipeng ^{[1
]}

Hu, Yongfeng ^{[2
]}

Sham, Tsun-Kong ^{[3
]}

Zhang, Li ^{[4
]}

Zhao, Shangqian ^{[4
]}

Lu, Shigang ^{[4
]}

Huang, Huan ^{[5
]}

Li, Ruying ^{[1
]}

Adair, Keegan R. ^{[1
]}

Sun, Xueliang ^{[1
]}

机构：

[1] Univ Western Ontario, Dept Mech & Mat Engn, 1151 Richmond St, London, ON N6A 3K7, Canada

[2] Canadian Light Source, 44 Innovat Blvd, Saskatoon, SK S7N 2V3, Canada

[3] Univ Western Ontario, Dept Chem, 1151 Richmond St, London, ON N6A 3K7, Canada

[4] China Automot Battery Res Inst Co Ltd, 5th Floor,43 Min Bldg,North Sanhuan Middle Rd, Beijing 100088, Peoples R China

[5] Glabat Solid State Battery Inc, 700 Collip Circle, London, ON N6G 4X8, Canada

来源：

ENERGY & ENVIRONMENTAL SCIENCE | 2019年 / 12卷 / 09期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

FAST IONIC-CONDUCTIVITY; LITHIUM; CONDUCTORS; LI3INBR6; LI-7; STABILITY; CATHODE; GLASS; AG; MN;

D O I：

10.1039/c9ee02311a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Most inorganic solid-state electrolytes (SSEs) suffer from incompatibility with oxide cathode materials and instability in ambient air, presenting major barriers for their application in high performance all-solid-state batteries (ASSLBs). Herein, we report a rationally designed halide-based Li3InCl6 SSE with a high ionic conductivity of 1.49 x 10(-3) S cm(-1) (25 degrees C). The Li3InCl6 SSE is stable towards oxide cathode materials (e.g., LiCoO2) without any interfacial treatment. By applying the Li3InCl6 SSEs, significantly enhanced electrochemical performances are achieved in terms of capacity and durability. Experimental investigations reveal that the Li3InCl6 can avoid side reactions between the SSEs and the oxide cathode materials and thus effectively improve the Li+ migration across the interface. Moreover, Li3InCl6 is highly stable in ambient air and possesses good ionic conductivity retention after a reheating process, further making it an attractive electrolyte for next-generation ASSLBs.

引用

页码：2665 / 2671

页数：7

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