Physicochemical Concepts of the Lithium Metal Anode in Solid-State Batteries.,Chemical Reviews

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Physicochemical Concepts of the Lithium Metal Anode in Solid-State Batteries.
Chemical Reviews ( IF 51.4 ) Pub Date : 2020-07-27 , DOI: 10.1021/acs.chemrev.0c00431
Thorben Krauskopf ₁ , Felix H Richter _{1,

2} , Wolfgang G Zeier ₃ , Jürgen Janek _{1,

2}

Affiliation

Developing reversible lithium metal anodes with high rate capability is one of the central aims of current battery research. Lithium metal anodes are not only required for the development of innovative cell concepts such as lithium–air or lithium–sulfur batteries, they can also increase the energy density of batteries with intercalation-type cathodes. The use of solid electrolyte separators is especially promising to develop well-performing lithium metal anodes, because they can act as a mechanical barrier to avoid unwanted dendritic growth of lithium through the cell. However, inhomogeneous electrodeposition and contact loss often hinder the application of a lithium metal anode in solid-state batteries. In this review, we assess the physicochemical concepts that describe the fundamental mechanisms governing lithium metal anode performance in combination with inorganic solid electrolytes. In particular, our discussion of kinetic rate limitations and morphological stability intends to stimulate further progress in the field of lithium metal anodes.

中文翻译：

固态电池中锂金属阳极的物理化学概念。

开发具有高倍率能力的可逆锂金属阳极是当前电池研究的主要目标之一。锂金属阳极不仅是开发创新的电池概念（例如锂空气或锂硫电池）所必需的，而且还可以增加带有插层型阴极的电池的能量密度。固态电解质隔板的使用特别有望开发出性能良好的锂金属阳极，因为它们可以充当机械屏障，从而避免锂通过电池发生不必要的树枝状生长。但是，不均匀的电沉积和接触损耗通常会阻碍锂金属阳极在固态电池中的应用。在这篇评论中我们评估了物理化学概念，这些概念描述了控制锂金属阳极性能与无机固体电解质结合的基本机理。特别地，我们对动力学速率限制和形态稳定性的讨论旨在刺激锂金属阳极领域的进一步发展。

更新日期：2020-08-12

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