期刊
ADVANCED ENERGY MATERIALS
卷 12, 期 4, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.202100748
关键词
failure mechanisms; interfacial chemistry; lithium metal anodes; solid-state batteries; solid-state electrolytes
类别
资金
- Beijing Municipal Natural Science Foundation [Z20J00043]
- National Natural Science Foundation of China [21808124, 22075029, U1932220]
- National Key Research and Development Program [2016YFA0202500]
- Fundamental Research Funds for the Central Universities [BLX201823]
Solid-state lithium metal batteries are considered the ultimate choice for future energy storage systems due to their high theoretical energy density and safety features. However, practical applications are hindered by severe interfacial issues. Understanding the failure mechanisms is crucial for constructing safer solid-state lithium batteries.
Solid-state lithium metal batteries are regarded to be the ultimate choice for future energy storage systems due to their high theoretical energy density and safety. However, the practical applications of solid-state batteries are hindered by severe interfacial issues, such as high interfacial resistance, inferior electro-/chemical compatibility, as well as poor stability. Moreover, lithium dendrite growth and mechanical degradation caused by interfacial stress during repeated cycling induce the failure of a working solid-state battery. Therefore, understanding the failure mechanism of a solid-state lithium battery is imperative and significant to construct a better interface for a safe solid-state lithium battery. In this review, the current fundamental understanding of the impact of the lithium/solid-state electrolyte interface on the solid-state ionics and interfacial chemistry are introduced first. The failure mechanisms underlying electrical, chemical, electrochemical, and mechanical aspects of solid-state lithium batteries are summarized. The emerging perspectives regarding future research directions are also included. This sheds fresh light on the rational construction of high-efficiency solid-state lithium batteries.
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