Understanding the complexities of Li metal for solid-state Li-metal batteries

IF 4.1 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Andrew S. Westover
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引用次数: 0

Abstract

Li-metal anodes are a key enabling technology for next-generation high-energy batteries, including Li–S, Li-air, and high-voltage cathodes. While most research enabling Li metal focuses on electrolyte design, especially in the solid state, the nature of the Li metal itself has a significant impact on the performance of both solid- and liquid-based batteries. This has historically been understudied, but recent work has highlighted the importance of tailoring the Li metal to optimize high-performance batteries. This article focuses on the key aspects of Li metal that impact performance, including the method of synthesis, microstructure, surfaces, impurities, mechanics, and alloying strategies to optimize Li anode performance. The article will also briefly look at the impact of long-term cycling on the evolution of Li-metal anodes in solid-state batteries and highlight key areas of needed research.

Graphical abstract

Abstract Image

了解固态锂金属电池中锂金属的复杂性
锂金属阳极是下一代高能电池(包括锂太阳能电池、锂空气电池和高压阴极电池)的关键赋能技术。虽然大多数有关锂金属的研究都侧重于电解质设计,尤其是固态电解质设计,但锂金属本身的性质对固态和液态电池的性能都有重大影响。这一点历来没有得到充分研究,但最近的研究突显了定制锂金属以优化高性能电池的重要性。本文重点介绍影响锂金属性能的关键方面,包括合成方法、微观结构、表面、杂质、力学以及优化锂阳极性能的合金策略。文章还将简要介绍固态电池中长期循环对锂金属阳极演化的影响,并强调需要研究的关键领域。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Mrs Bulletin
Mrs Bulletin 工程技术-材料科学:综合
CiteScore
7.40
自引率
2.00%
发文量
193
审稿时长
4-8 weeks
期刊介绍: MRS Bulletin is one of the most widely recognized and highly respected publications in advanced materials research. Each month, the Bulletin provides a comprehensive overview of a specific materials theme, along with industry and policy developments, and MRS and materials-community news and events. Written by leading experts, the overview articles are useful references for specialists, but are also presented at a level understandable to a broad scientific audience.
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