优化锂金属阳极的金属有机框架及其衍生物

IF 42.9 Q1 ELECTROCHEMISTRY
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引用次数: 0

摘要

锂金属阳极(LMAs)被认为是下一代电池的终极负极材料。然而,充放电过程中锂枝晶生长不可控和体积膨胀严重阻碍了LMAs的实际应用。金属有机框架(MOF)材料具有巨大的比表面积、优异的孔隙率和灵活的组成/结构可调性等优点,在解决这两个问题方面显示出巨大的潜力。本文首先探讨了锂枝晶形成的四种有影响的模型。随后,基于对这些模型的深入理解,我们提出了利用mof及其衍生物抑制锂枝晶生长的潜在策略。然后,我们全面回顾了mof及其衍生物在抑制锂枝晶和抑制体积膨胀方面的各种应用的研究进展。本文最后讨论了mof及其衍生物未来的改进前景,以实现稳定的无枝晶锂金属电池。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Metal–organic frameworks and their derivatives for optimizing lithium metal anodes

Metal–organic frameworks and their derivatives for optimizing lithium metal anodes

Metal–organic frameworks and their derivatives for optimizing lithium metal anodes

Lithium metal anodes (LMAs) have been considered the ultimate anode materials for next-generation batteries. However, the uncontrollable lithium dendrite growth and huge volume expansion that can occur during charge and discharge seriously hinder the practical application of LMAs. Metal–organic framework (MOF) materials, which possess the merits of huge specific surface area, excellent porosity, and flexible composition/structure tunability, have demonstrated great potential for resolving both of these issues. This article first explores the mechanism of lithium dendrite formation as described by four influential models. Subsequently, based on an in-depth understanding of these models, we propose potential strategies for utilizing MOFs and their derivatives to suppress lithium dendrite growth. We then provide a comprehensive review of research progress with respect to various applications of MOFs and their derivatives to suppress lithium dendrites and inhibit volume expansion. The paper closes with a discussion of perspectives on future modifications of MOFs and their derivatives to achieve stable and dendrite-free lithium metal batteries.

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CiteScore
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