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Improvements to the Overpotential of All‐Solid‐State Lithium‐Ion Batteries during the Past Ten Years
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2020-05-05 , DOI: 10.1002/aenm.202000904 Pilgun Oh 1 , Hyomyung Lee 2 , Seohyeon Park 1 , Hyungyeon Cha 2 , Junhyeok Kim 2 , Jaephil Cho 2
Advanced Energy Materials ( IF 24.4 ) Pub Date : 2020-05-05 , DOI: 10.1002/aenm.202000904 Pilgun Oh 1 , Hyomyung Lee 2 , Seohyeon Park 1 , Hyungyeon Cha 2 , Junhyeok Kim 2 , Jaephil Cho 2
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After the research that shows that Li10GeP2S12 (LGPS)‐type sulfide solid electrolytes can reach the high ionic conductivity at the room temperature, sulfide solid electrolytes have been intensively developed with regard to ionic conductivity and mechanical properties. As a result, an increasing volume of research has been conducted to employ all‐solid‐state lithium batteries in electric automobiles within the next five years. To achieve this goal, it is important to review the research over the past decade, and understand the requirements for future research necessary to realize the practical applications of all‐solid‐state lithium batteries. To date, research on all‐solid‐state lithium batteries has focused on achieving overpotential properties similar to those of conventional liquid‐lithium‐ion batteries by increasing the ionic conductivity of the solid electrolytes. However, the increase in the ionic conductivity should be accompanied by improvements of the electronic conductivity within the electrode to enable practical applications. This essay provides a critical overview of the recent progress and future research directions of the all‐solid‐state lithium batteries for practical applications.
中文翻译：
过去十年中全固态锂离子电池过电势的改善
经过研究表明，Li 10 GeP 2 S 12（LGPS）型硫化物固体电解质可以在室温下达到高离子电导率，硫化物固体电解质在离子电导率和机械性能方面得到了广泛的开发。结果，在接下来的五年中，已经进行了越来越多的研究，以在电动汽车中使用全固态锂电池。为了实现这一目标，重要的是回顾过去十年的研究，并了解实现全固态锂电池实际应用所必需的未来研究要求。迄今为止，全固态锂电池的研究集中在通过增加固体电解质的离子电导率来实现类似于传统液锂离子电池的超电势特性。然而，离子电导率的增加应伴随电极内电子电导率的改善，以实现实际应用。本文对实际应用的全固态锂电池的最新进展和未来研究方向进行了重要的概述。
更新日期：2020-06-23
中文翻译：
过去十年中全固态锂离子电池过电势的改善
经过研究表明，Li 10 GeP 2 S 12（LGPS）型硫化物固体电解质可以在室温下达到高离子电导率，硫化物固体电解质在离子电导率和机械性能方面得到了广泛的开发。结果，在接下来的五年中，已经进行了越来越多的研究，以在电动汽车中使用全固态锂电池。为了实现这一目标，重要的是回顾过去十年的研究，并了解实现全固态锂电池实际应用所必需的未来研究要求。迄今为止，全固态锂电池的研究集中在通过增加固体电解质的离子电导率来实现类似于传统液锂离子电池的超电势特性。然而，离子电导率的增加应伴随电极内电子电导率的改善，以实现实际应用。本文对实际应用的全固态锂电池的最新进展和未来研究方向进行了重要的概述。
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