Metal chloride-graphite intercalation compounds for rechargeable metal-ion batteries

IF 19.5 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Carbon Energy Pub Date : 2024-09-06 DOI:10.1002/cey2.600

Anbang Lu, Fei Wang, Zhendong Liu, Yuchen Wang, Yue Gu, Shuang Wang, Chong Ye, Quanbing Liu, Chengzhi Zhang, Jun Tan

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引用次数: 0

Abstract

The typical metal chloride-graphite intercalation compounds (MC-GICs) inherit intercalation capacity, high charge conductivity, and high tap density from graphite, and these are considered as one of the promising alternatives of graphite anode in rechargeable metal-ion batteries (MIBs). Notably, the special interlayer decoupling effects and the introduction of extra conversion capacity by metal chloride could greatly break the capacity limitation of graphite anodes and achieve higher energy density in MIBs. The optimization of both graphite host and metal chloride species with specific structures endows MC-GICs with design feasibility for different application requirements of different MIBs, such as several times the actual capacity compared to graphite anodes, rapid migration of large carriers, and other properties. Herein, a brief review has been provided with the latest understanding of conductivity characteristics and energy storage mechanisms of MC-GICs and their interesting performance features of full potential application in rechargeable MIBs. Based on the existing research of MC-GICs, necessary improvements and prospects in the near future have been put forward.

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用于可充电金属离子电池的金属氯石墨插层化合物

典型的金属氯化物-石墨插层化合物（MC-GICs）继承了石墨的插层容量、高电荷传导性和高点密度，被认为是可充电金属离子电池（MIBs）中石墨负极的理想替代品之一。值得注意的是，特殊的层间退耦效应和金属氯化物引入的额外转换能力可大大打破石墨阳极的容量限制，并在 MIB 中实现更高的能量密度。通过对石墨母体和具有特定结构的金属氯化物的优化，MC-GICs 具有设计可行性，可满足不同 MIB 的不同应用要求，如实际容量是石墨阳极的数倍、大载流子的快速迁移等特性。本文简要回顾了对 MC-GIC 的电导特性和储能机制的最新理解，以及它们在可充电 MIB 中具有充分应用潜力的有趣性能特点。在现有 MC-GICs 研究的基础上，提出了必要的改进措施，并展望了不久的将来。

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来源期刊

Carbon Energy Multiple-

CiteScore

25.70

自引率

10.70%

发文量

116

审稿时长

4 weeks

期刊介绍： Carbon Energy is an international journal that focuses on cutting-edge energy technology involving carbon utilization and carbon emission control. It provides a platform for researchers to communicate their findings and critical opinions and aims to bring together the communities of advanced material and energy. The journal covers a broad range of energy technologies, including energy storage, photocatalysis, electrocatalysis, photoelectrocatalysis, and thermocatalysis. It covers all forms of energy, from conventional electric and thermal energy to those that catalyze chemical and biological transformations. Additionally, Carbon Energy promotes new technologies for controlling carbon emissions and the green production of carbon materials. The journal welcomes innovative interdisciplinary research with wide impact. It is indexed in various databases, including Advanced Technologies & Aerospace Collection/Database, Biological Science Collection/Database, CAS, DOAJ, Environmental Science Collection/Database, Web of Science and Technology Collection.