Halide-based solid-state electrolyte as an interfacial modifier for high performance solid-state Li-O2 batteries

被引：53

作者：

Zhao, Changtai ^{[1
]}

Liang, Jianwen ^{[1
]}

Li, Xiaona ^{[1
]}

Holmes, Nathaniel ^{[1
]}

Wang, Changhong ^{[1
]}

Wang, Jian ^{[2
]}

Zhao, Feipeng ^{[1
]}

Li, Shaofeng ^{[5
]}

Sun, Qian ^{[1
]}

Yang, Xiaofei ^{[1
]}

Liang, Jianneng ^{[1
]}

Lin, Xiaoting ^{[1
]}

Li, Weihan ^{[1
]}

Li, Ruying ^{[1
]}

Zhao, Shangqian ^{[3
]}

Huang, Huan ^{[4
]}

Zhang, Li ^{[3
]}

Lu, Shigang ^{[3
]}

Sun, Xueliang ^{[1
]}

机构：

[1] Univ Western Ontario, Dept Mech & Mat Engn, London, ON N6A 5B9, Canada

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

[3] China Automot Battery Res Inst Co Ltd, Beijing 100088, Peoples R China

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

[5] SLAC Natl Accelerator Lab, Stanford Synchrotron Radiat Lightsource, Menlo Pk, CA 94025 USA

来源：

NANO ENERGY | 2020年 / 75卷

基金：

加拿大自然科学与工程研究理事会; 加拿大健康研究院; 加拿大创新基金会;

关键词：

Li-O-2; batteries; Halide electrolyte; Interface; Solid-state electrolytes; Air electrode; LITHIUM METAL ANODE; CYCLE LIFE; AIR;

D O I：

10.1016/j.nanoen.2020.105036

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：

Solid-state electrolyte and solid-state air electrode design are the main bottlenecks inhibiting the development of solid-state Li-O-2 batteries (SSLOBs). Herein, we report an ionically superconductive halide electrolyte which regulates the air electrode interface and enhances the performance of SSLOBs. As this is the first investigation of this halide electrolyte in a Li-O-2 battery, a comprehensive study of the stability of this electrolyte is conducted. The high ionic conductivity of Li3InCl6 (up to 1.3 x 10(-3) S cm(-1)) and its solution-based preparation method enable it to work like a liquid electrolyte modifier at the air electrode, uniformly regulating the function of the interface. As a result, Li-O-2 batteries with Li3InCl6 exhibit decreased interfacial resistance and enhanced decomposition of discharge products. The present study may open a new window of opportunity toward the development of SSLOBs.

引用

页数：6

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