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Solid Interfaces for the Garnet Electrolytes
Advanced Materials ( IF 27.4 ) Pub Date : 2024-01-12 , DOI: 10.1002/adma.202306111 Wuliang Feng 1, 2 , Yufeng Zhao 2 , Yongyao Xia 1
Advanced Materials ( IF 27.4 ) Pub Date : 2024-01-12 , DOI: 10.1002/adma.202306111 Wuliang Feng 1, 2 , Yufeng Zhao 2 , Yongyao Xia 1
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Solid-state electrolytes (SSEs) have attracted extensive interests due to the advantages in developing secondary batteries with high energy density and outstanding safety. Possessing high ionic conductivity and the lowest reduction potential among the state-of-the-art SSEs, the garnet type SSE is one of the most promising candidates to achieve high performance solid-state lithium batteries (SSLBs). However, the elastic modulus of the garnet electrolyte leads to deteriorated interfacial contacts, and the increasing in electronic conduction at either anode/garnet interface or grain boundary results in Li dendrite growth. Here, recent developments of the solid interfaces for the garnet electrolytes, including the strategies of Li dendrite suppression and interfacial chemical/electrochemical/mechanical stabilizations are presented. A new viewpoint of the double edges of interfacial lithiophobicity is proposed, and the rational design of the interphases, as well as effective stacking methods of the garnet-based SSLBs are summarized. Moreover, practical roles of the garnet electrolyte in SSLB industry are also discussed. This work delivers insights into the solid interfaces for the garnet electrolytes, which provides not only the promotion of the garnet-based SSLBs, but also a comprehensive understanding of the interfacial stabilization for the whole SSE family.
中文翻译：
石榴石电解质的固体界面
固态电解质（SSE）由于在开发具有高能量密度和出色安全性的二次电池方面的优势而引起了广泛的兴趣。石榴石型SSE在最先进的SSE中具有高离子电导率和最低的还原电位，是实现高性能固态锂电池（SSLB）最有希望的候选者之一。然而，石榴石电解质的弹性模量导致界面接触恶化，并且阳极/石榴石界面或晶界处电子传导的增加导致锂枝晶生长。在此，介绍了石榴石电解质固体界面的最新进展，包括锂枝晶抑制和界面化学/电化学/机械稳定的策略。提出了界面疏石双刃的新观点，总结了石榴石基SSLB的合理界面设计以及有效的堆叠方法。此外，还讨论了石榴石电解质在 SSLB 行业中的实际作用。这项工作深入了解了石榴石电解质的固体界面，不仅促进了石榴石基 SSLB 的发展，而且还为整个 SSE 系列的界面稳定性提供了全面的了解。
更新日期：2024-01-12
中文翻译：
石榴石电解质的固体界面
固态电解质（SSE）由于在开发具有高能量密度和出色安全性的二次电池方面的优势而引起了广泛的兴趣。石榴石型SSE在最先进的SSE中具有高离子电导率和最低的还原电位，是实现高性能固态锂电池（SSLB）最有希望的候选者之一。然而，石榴石电解质的弹性模量导致界面接触恶化，并且阳极/石榴石界面或晶界处电子传导的增加导致锂枝晶生长。在此，介绍了石榴石电解质固体界面的最新进展，包括锂枝晶抑制和界面化学/电化学/机械稳定的策略。提出了界面疏石双刃的新观点，总结了石榴石基SSLB的合理界面设计以及有效的堆叠方法。此外，还讨论了石榴石电解质在 SSLB 行业中的实际作用。这项工作深入了解了石榴石电解质的固体界面，不仅促进了石榴石基 SSLB 的发展，而且还为整个 SSE 系列的界面稳定性提供了全面的了解。
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