Solid state lithium metal batteries – Issues and challenges at the lithium-solid electrolyte interface

IF 12.2 2区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Vikalp Raj , Naga Phani B. Aetukuri , Jagjit Nanda
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引用次数: 18

Abstract

Solid-state Li-ion batteries employing a metallic lithium anode in conjunction with an inorganic solid electrolyte (ISE) are expected to offer superior energy density and cycle life. The realization of these metrics critically hinges on the simultaneous optimization of the ISE and the two electrode/electrolyte interfaces. In this Opinion article, we provide an overview of the materials and interfacial challenges that limit the performance of solid-state lithium metal batteries (SSLMBs). Owing to the importance of the Li/ISE interface, we dedicate a large section of this article to discuss the mechanistic aspects of lithium deposition at the Li/ISE interface. We further discuss a few recently proposed mechanisms that rationalize the growth of lithium through ISEs. We conclude our review with a brief discussion on the anode-free approach for fabricating SSLMBs where metallic lithium is generated in-situ from pre-lithiated cathodes.

固态锂金属电池-锂-固体电解质界面的问题和挑战
采用金属锂阳极和无机固体电解质(ISE)的固态锂离子电池有望提供卓越的能量密度和循环寿命。这些指标的实现关键取决于ISE和两个电极/电解质界面的同时优化。在这篇文章中,我们概述了限制固态锂金属电池(sslmb)性能的材料和界面挑战。由于Li/ISE界面的重要性,我们在本文中用了很大一部分来讨论Li/ISE界面上锂沉积的机理方面。我们进一步讨论了最近提出的一些机制,使锂通过ise的生长合理化。最后,我们简要讨论了制备sslmb的无阳极方法,即从预锂化阴极原位生成金属锂。
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来源期刊
Current Opinion in Solid State & Materials Science
Current Opinion in Solid State & Materials Science 工程技术-材料科学:综合
CiteScore
21.10
自引率
3.60%
发文量
41
审稿时长
47 days
期刊介绍: Title: Current Opinion in Solid State & Materials Science Journal Overview: Aims to provide a snapshot of the latest research and advances in materials science Publishes six issues per year, each containing reviews covering exciting and developing areas of materials science Each issue comprises 2-3 sections of reviews commissioned by international researchers who are experts in their fields Provides materials scientists with the opportunity to stay informed about current developments in their own and related areas of research Promotes cross-fertilization of ideas across an increasingly interdisciplinary field
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