材料科学
能量密度
失效机理
空隙(复合材料)
电解质
法律工程学
复合材料
工程物理
工程类
化学
电极
物理化学
作者
Quan Wu,Shizhao Xiong,Fujun Li,Aleksandar Matic
标识
DOI:10.1002/batt.202300321
摘要
Abstract Solid‐state lithium‐metal batteries (SSLMBs) are considered as the next‐generation energy storage systems due to their high theoretical energy density and safety. However, the practical deployment of SSLMBs has been impeded by the failure of solid‐state electrolytes (SSEs) which is indicated by the increased impedance, elevated polarization, and capacity degradation. The failure is commonly a result of lithium (Li) dendrite growth and propagation, inactive Li generation, unstable interface formation, void and pore formation, and crack infiltration. The failure processes can be divided into electric failure, (electro)chemical failure, and mechanical failure based on the different mechanisms. The systematical understanding of SSEs failure is crucial for the development of SSEs. Therefore, this review comprehensively summarizes the details of the three SSEs failure to provide new insights for future studies, shedding light on the design of SSLMBs with high energy density, safety, and cycling stability.
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