The design and engineering strategies of metal tellurides for advanced metal-ion batteries

IF 14 1区 化学 Q1 CHEMISTRY, APPLIED
Wenmiao Zhao , Xiaoyuan Shi , Bo Liu , Hiroshi Ueno , Ting Deng , Weitao Zheng
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Abstract

Owning various crystal structures and high theoretical capacity, metal tellurides are emerging as promising electrode materials for high-performance metal-ion batteries (MBs). Since metal telluride-based MBs are quite new, fundamental issues raise regarding the energy storage mechanism and other aspects affecting electrochemical performance. Severe volume expansion, low intrinsic conductivity and slow ion diffusion kinetics jeopardize the performance of metal tellurides, so that rational design and engineering are crucial to circumvent these disadvantages. Herein, this review provides an in-depth discussion of recent investigations and progresses of metal tellurides, beginning with a critical discussion on the energy storage mechanisms of metal tellurides in various MBs. In the following, recent design and engineering strategies of metal tellurides, including morphology engineering, compositing, defect engineering and heterostructure construction, for high-performance MBs are summarized. The primary focus is to present a comprehensive understanding of the structural evolution based on the mechanism and corresponding effects of dimension control, composition, electron configuration and structural complexity on the electrochemical performance. In closing, outlooks and prospects for future development of metal tellurides are proposed. This work also highlights the promising directions of design and engineering strategies of metal tellurides with high performance and low cost.

Abstract Image

先进金属离子电池用金属碲化物的设计与工程策略
金属碲化物具有多种晶体结构和较高的理论容量,是高性能金属离子电池极具发展前景的材料。由于金属碲化物基MBs是一种较新的材料,因此在储能机理和影响电化学性能的其他方面提出了根本性的问题。严重的体积膨胀、低的本征电导率和缓慢的离子扩散动力学会危及金属碲化物的性能,因此合理的设计和工程是克服这些缺点的关键。本文综述了近年来金属碲化物的研究进展,重点讨论了金属碲化物在各种MBs中的储能机理。本文综述了近年来高性能金属碲化物的设计和工程策略,包括形态工程、复合、缺陷工程和异质结构构建。本研究的主要重点是基于结构演化的机理以及尺寸控制、组成、电子组态和结构复杂性对电化学性能的相应影响,对结构演化进行全面的理解。最后,对金属碲化物的未来发展进行了展望。这一工作也突出了高性能低成本金属碲化物的设计和工程策略的发展方向。
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来源期刊
CiteScore
23.60
自引率
0.00%
发文量
2875
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