探索框架材料提高高能锂离子电池阴极性能的能力

IF 6.1 Q1 CHEMISTRY, MULTIDISCIPLINARY Chemistry methods : new approaches to solving problems in chemistry Pub Date : 2023-11-30 DOI:10.1002/cmtd.202300039
Dr. Rajashree Konar, Dr. Sandipan Maiti, Prof. Boris Markovsky, Dr. Hadar Sclar, Prof. Doron Aurbach
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引用次数: 0

摘要

锂化过渡金属氧化物是锂离子电池最重要的正极材料。近年来,人们一直致力于提高其能量密度、稳定性和安全性,数以千计的论文证明了这一点。然而,由于稳定性限制等障碍,几种有前景的材料的商业化受到了限制。为了克服高能高压或高容量阴极材料的局限性,人们提出了非传统的表面工程解决方案,其中包括金属有机框架(MOFs)和沸石。MOFs 具有易于管理的结构、拓扑控制、高孔隙率、大表面积和低密度等有利于实现稳定化目标的特性。这篇综述文章探讨了利用 MOFs 和沸石通过表面改性改善有利阴极材料电化学行为的可行策略。研究这种基于框架的表面工程在高能量密度电池电极中的应用潜力,对于优化控制其表面化学性质至关重要。这可能会非常有效地提升高能量阴极材料的性能,从而扩大超高能量密度充电电池的实际应用范围。
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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Exploring the Capability of Framework Materials to Improve Cathodes’ Performance for High-energy Lithium-ion Batteries

Lithiated transition metal oxides are the most important cathode materials for lithium-ion batteries. Many efforts have been devoted in recent years to improving their energy density, stability, and safety, as demonstrated by thousands of publications. However, the commercialization of several promising materials is limited due to obstacles like stability limitations. To overcome the limitations of energetically high-voltage or high-capacity cathode materials, unconventional solutions for their surface engineering were suggested; among them, metal–organic frameworks (MOFs) and zeolites have been employed. MOFs possess favorable characteristics for stabilization goals, including manageable structures, topological control, high porosity, large surface area, and low density. This review article explores promising strategies for improving the electrochemical behavior of favorable cathode materials through surface modifications by using MOFs and zeolites. Investigating the potential of this frameworks-based surface engineering for high energy density batteries’ electrodes is essential for optimal control of their surface chemistry. It may be highly effective to upgrade the performance of high-energy cathode materials, thus extending the practical use of very high energy density rechargeable batteries.

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