Progress and perspectives on halide lithium conductors for all-solid-state lithium batteries,Energy & Environmental Science

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Progress and perspectives on halide lithium conductors for all-solid-state lithium batteries
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2020-03-03 , DOI: 10.1039/c9ee03828k
Xiaona Li _{1,

2,

3,

4} , Jianwen Liang _{1,

2,

3,

4} , Xiaofei Yang _{1,

2,

3,

4} , Keegan R. Adair _{1,

2,

3,

4} , Changhong Wang _{1,

2,

3,

4} , Feipeng Zhao _{1,

2,

3,

4} , Xueliang Sun _{1,

2,

3,

4}

Affiliation

Halide solid-state electrolytes (SSEs) with high room-temperature ionic conductivity (>10⁻³ S cm⁻¹), wide electrochemical windows, and good compatibility toward oxide cathode materials have achieved impressive progress and attracted significant attention for application in all-solid-state lithium batteries (ASSLBs). This review presents an overview of halide SSEs, including their development, structure, ionic conductivity, chemical stability, and current limitations. Firstly, we give a brief overview of the historical development of halide-based SSEs, followed by an introduction to the different types of halide SSEs. From a practical point of view, the synthesis methods, especially scalable liquid-phase synthesis, are intensively discussed. Then, the associated stability issues involving basic structure stability, air/humidity stability, and electrochemical stability (electrolyte/SSE interface and electrochemical stability window) are also discussed in detail. Comprehensive coverage and thorough understanding of the properties of halide SSEs are provided and it is expected to help guide the development of future SSEs towards ASSLBs for energy storage applications.

中文翻译：

全固态锂电池卤化物锂导体的研究进展与展望

具有高室温离子电导率（> 10 ^-3 S cm ^-1的卤化物固态电解质（SSE）），宽的电化学窗口以及与氧化物阴极材料的良好兼容性取得了令人瞩目的进展，并引起了全固态锂电池（ASSLB）应用的广泛关注。这篇综述概述了卤化物SSE，包括它们的发展，结构，离子电导率，化学稳定性和电流限制。首先，我们简要概述了基于卤化物的SSE的历史发展，然后介绍了不同类型的卤化物SSE。从实用的角度出发，对合成方法，尤其是可扩展的液相合成进行了深入的讨论。然后，相关的稳定性问题涉及基本结构稳定性，空气/湿度稳定性，还详细讨论了电化学稳定性（电解质/ SSE界面和电化学稳定性窗口）。提供了对卤化物SSE的全面覆盖和透彻了解，有望帮助指导未来的SSE向面向储能应用的ASSLB的发展。

更新日期：2020-03-03

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