调节液态电解质中的 Li+ 微环境以实现锂金属阳极的界面设计

IF 1.7 4区 化学
Minhong Lim, Jiwon Lee, Soyeon Lee, Seungsoo Park, Hongkyung Lee
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引用次数: 0

摘要

虽然锂金属阳极(LMAs)具有最高的能量密度,使其成为替代石墨的理想材料,但它们却存在电镀形态不均匀和形成锂枝晶的问题。鉴于电解质分解形成的固电解质间相(SEI)在减少枝晶生长方面的关键作用,人们对锂金属电池(LMB)中的液态电解质进行了广泛的研究。本微型综述介绍了 LMB 电解质的历史进展,重点是调节 Li+ 微环境和 LMA 界面化学,以抑制锂枝晶的形成。我们追溯了 LMB 电解质从传统配方到先进设计的演变过程。特别是,我们深入探讨了液态电解质的每一个进步过程中 SEI 的强化和沉积锂的紧密形态。随后,我们确定了这些先进电解质的共同特点,最后讨论了合理设计的未来方向和策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Modulation of Li+ microenvironment in liquid electrolyte for interface design of Li-metal anodes

Modulation of Li+ microenvironment in liquid electrolyte for interface design of Li-metal anodes

While lithium metal anodes (LMAs) offer the highest energy density, positioning them as a promising material for graphite, they suffer from uneven electroplating morphology and the formation of Li dendrites. Given the pivotal role of the solid-electrolyte interphase (SEI), which is formed by electrolyte decomposition, in mitigating dendritic growth, extensive research has been conducted on liquid electrolytes in Li metal batteries (LMBs). This mini-review presents the historical advancements in LMB electrolytes, focusing on modulating the Li+ microenvironment and LMA interface chemistry to inhibit Li dendrite formation. We traced the evolution of LMB electrolytes from traditional formulations to advanced designs. In particular, the reinforcement of the SEI and the compact morphology of the deposited Li are deeply discussed at each advancement in liquid electrolytes. We subsequently identify common characteristics among these advanced electrolytes and conclude by discussing future directions and strategies for rational design.

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来源期刊
Bulletin of the Korean Chemical Society
Bulletin of the Korean Chemical Society Chemistry-General Chemistry
自引率
23.50%
发文量
182
期刊介绍: The Bulletin of the Korean Chemical Society is an official research journal of the Korean Chemical Society. It was founded in 1980 and reaches out to the chemical community worldwide. It is strictly peer-reviewed and welcomes Accounts, Communications, Articles, and Notes written in English. The scope of the journal covers all major areas of chemistry: analytical chemistry, electrochemistry, industrial chemistry, inorganic chemistry, life-science chemistry, macromolecular chemistry, organic synthesis, non-synthetic organic chemistry, physical chemistry, and materials chemistry.
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