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首页> 外文期刊>Advanced energy materials >On the Functionality of Coatings for Cathode Active Materials in Thiophosphate-Based All-Solid-State Batteries
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On the Functionality of Coatings for Cathode Active Materials in Thiophosphate-Based All-Solid-State Batteries

机译：基于硫磷酸盐的全固态电池中阴极活性材料涂层的功能

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摘要

The last decade has seen considerable advancements in the development of solid electrolytes for solid-state battery applications, with particular attention being paid to sulfide superionic conductors. Importantly, the intrinsic electrochemical instability of these high-performance separators highlights the notion that further progress in the field of solid-state batteries is contingent on the optimization of component material interfaces in order to secure high energy and power densities, while maintaining device safety and a practical cycle life. On the cathode side, the need for a protective coating to inhibit solid electrolyte degradation is clear; however, a mechanistic understanding of the coating functionality remains unresolved, and there is still much room for improvement regarding the methodology and associated material properties. Herein, the essential requirements for a suitable coating are specified and fundamental considerations are discussed in detail. Additionally, this article will provide an overview of the various material classes, assessment protocols and practical coating methods, as well as an outlook on the development of coatings for cathode active materials in thiophosphate-based solid-state batteries.
机译：在过去的十年中，在用于固态电池应用的固体电解质的开发中取得了长足的进步，尤其是对硫化物超离子导体的关注。重要的是，这些高性能隔板固有的电化学不稳定性凸显了这样一种观念，即固态电池领域的进一步发展取决于组件材料界面的优化，以确保高能量和功率密度，同时保持设备的安全性和可靠性。实际的循环寿命。在阴极侧，显然需要保护涂层以抑制固体电解质的降解。然而，对涂层功能性的机械理解仍未解决，并且在方法和相关材料性能方面仍有很大的改进空间。在此，规定了合适涂层的基本要求，并详细讨论了基本考虑因素。此外，本文将概述各种材料类别，评估协议和实用的涂覆方法，以及对基于硫代磷酸盐的固态电池中用于阴极活性材料的涂层的发展前景。

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  • 来源
    《Advanced energy materials》 |2019年第24期|1900626.1-1900626.14|共14页
  • 作者

    Culver Sean P.; Koerver Raimund; Zeier Wolfgang G.; Janek Juergen;

  • 作者单位

    Justus Liebig Univ Giessen, Inst Phys Chem, Heinrich Buff Ring 17, D-35392 Giessen, Germany|Justus Liebig Univ Giessen, Ctr Mat Res LaMa, Heinrich Buff Ring 16, D-35392 Giessen, Germany;

    Justus Liebig Univ Giessen, Inst Phys Chem, Heinrich Buff Ring 17, D-35392 Giessen, Germany|Justus Liebig Univ Giessen, Ctr Mat Res LaMa, Heinrich Buff Ring 16, D-35392 Giessen, Germany;

    Justus Liebig Univ Giessen, Inst Phys Chem, Heinrich Buff Ring 17, D-35392 Giessen, Germany|Justus Liebig Univ Giessen, Ctr Mat Res LaMa, Heinrich Buff Ring 16, D-35392 Giessen, Germany;

    Justus Liebig Univ Giessen, Inst Phys Chem, Heinrich Buff Ring 17, D-35392 Giessen, Germany|Justus Liebig Univ Giessen, Ctr Mat Res LaMa, Heinrich Buff Ring 16, D-35392 Giessen, Germany;

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  • 正文语种 eng
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  • 关键词

    all-solid-state batteries; cathode coatings; interfaces; solid electrolytes; thiophosphates;

    机译：全固态电池;阴极涂层;界面;固体电解质;硫代磷酸盐;

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