期刊
MRS BULLETIN
卷 43, 期 10, 页码 768-774出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1557/mrs.2018.235
关键词
energy storage; Li; ionic conductor; phase equilibria
资金
- US Department of Energy, Office of Basic Energy Sciences [DE-SC0002357]
Solid-state electrolytes can offer improved lithium-ion battery safety while potentially increasing the energy density by enabling alkali metal anodes. There have been significant research efforts to improve the ionic conductivity of solid-state electrolytes and the electrochemical performance of all-solid-state batteries; however, the root causes of their poor performance-interfacial reaction and subsequent impedance growth-are poorly understood. This is due to the dearth of effective characterization techniques for probing these buried interfaces. In situ and operando methodologies are currently under development for solid-state interfaces, and they offer the potential to describe the dynamic interfacial processes that serve as performance bottlenecks. This article highlights state-of-the-art solid-solid interface probing methodologies, describes practical limitations, and describes a future for dynamic interfacial characterization.
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