Fei Pei, Xin’e Yan, Fangchao Lei, Longgang Liu, Songyuan Yao
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Three-dimensional (3D) ordered Li anode architectures with large surface area and void space, which are capable of lowering the surface current density and affording confined space to accommodate Li plating, consequently suppressing Li dendrite formation and ameliorating undesirable volume changes. More importantly, its well-aligned micro-channels can provide fast pathways for Li ion transport and promote uniform Li plating. Therefore, fabricating 3D ordered architectures is expected to remarkably boost the electrochemical stability and performance of Li anode during cycling. Herein, the important researches on the design of 3D ordered Li anode architectures for LIBs, including flexible anode, are summarized in detail. Emphasis is laid on illuminating the mechanism and the correlation between the 3D-ordered Li microstructures and the electrochemical performance of the LMBs. Furthermore, challenges and forthcoming opportunities in this promising research field are explicitly indicated. It is anticipated that this review could afford a beneficial reference to initiate further innovation in research and development of practical 3D Li anode for high-energy and safe LMBs.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"69 11","pages":"1658 - 1670"},"PeriodicalIF":1.8000,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S0036023624601491.pdf","citationCount":"0","resultStr":"{\"title\":\"3D Ordered Li Anode Architectures towards Suppressing Li Dendrites: A Review\",\"authors\":\"Fei Pei, Xin’e Yan, Fangchao Lei, Longgang Liu, Songyuan Yao\",\"doi\":\"10.1134/S0036023624601491\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The fast-growing requirements for high-energy-density Li-ion batteries (LIBs) have prompted the research and development of Li-metal batteries (LMBs) because Li metal has a high theoretical specific capacity of 3860 mA h g<sup>–1</sup> and a low redox potential (−3.04 v.s. standard hydrogen electrode, SHE). 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引用次数: 0
摘要
对高能量密度锂离子电池(LIBs)快速增长的需求促使了锂金属电池(lmb)的研究和发展,因为锂金属具有3860 mA h g-1的高理论比容量和低氧化还原电位(- 3.04 vs .标准氢电极,SHE)。然而,锂金属在镀锂和剥离过程中枝晶的形成对其商业应用产生了巨大的阻碍。因此,必须制定有效的策略来消除存在的问题。三维有序的锂阳极结构具有较大的表面积和空隙空间,能够降低表面电流密度,并为锂电镀提供有限的空间,从而抑制锂枝晶的形成,改善不良的体积变化。更重要的是,其排列良好的微通道可以为锂离子的传输提供快速通道,促进均匀的锂镀层。因此,3D有序结构的制备有望显著提高锂阳极在循环过程中的电化学稳定性和性能。本文对包括柔性阳极在内的三维有序锂阳极结构设计的重要研究进行了综述。重点阐明了三维有序Li微观结构与lmb电化学性能之间的机理和相关性。此外,明确指出了这一前景广阔的研究领域面临的挑战和即将到来的机遇。展望本文的研究成果,可以为进一步创新高能、安全的lmb用实用3D锂阳极的研究和开发提供有益的参考。
3D Ordered Li Anode Architectures towards Suppressing Li Dendrites: A Review
The fast-growing requirements for high-energy-density Li-ion batteries (LIBs) have prompted the research and development of Li-metal batteries (LMBs) because Li metal has a high theoretical specific capacity of 3860 mA h g–1 and a low redox potential (−3.04 v.s. standard hydrogen electrode, SHE). However, the dendrite formation of Li metal during Li plating and stripping has exerted an enormous impedance in its commercial application. Consequently, it is imperative to exploit effective strategies to eliminate the existing issues. Three-dimensional (3D) ordered Li anode architectures with large surface area and void space, which are capable of lowering the surface current density and affording confined space to accommodate Li plating, consequently suppressing Li dendrite formation and ameliorating undesirable volume changes. More importantly, its well-aligned micro-channels can provide fast pathways for Li ion transport and promote uniform Li plating. Therefore, fabricating 3D ordered architectures is expected to remarkably boost the electrochemical stability and performance of Li anode during cycling. Herein, the important researches on the design of 3D ordered Li anode architectures for LIBs, including flexible anode, are summarized in detail. Emphasis is laid on illuminating the mechanism and the correlation between the 3D-ordered Li microstructures and the electrochemical performance of the LMBs. Furthermore, challenges and forthcoming opportunities in this promising research field are explicitly indicated. It is anticipated that this review could afford a beneficial reference to initiate further innovation in research and development of practical 3D Li anode for high-energy and safe LMBs.
期刊介绍:
Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.