材料科学
离子电导率
电解质
电导率
薄膜
基质(水族馆)
电化学窗口
快离子导体
电化学
离子键合
电介质
离子
纳米技术
电极
光电子学
物理化学
化学
海洋学
有机化学
地质学
作者
Natalia Kireeva,А. Yu. Tsivadze,В. С. Первов
出处
期刊:Batteries
[Multidisciplinary Digital Publishing Institute]
日期:2023-08-22
卷期号:9 (9): 430-430
被引量:9
标识
DOI:10.3390/batteries9090430
摘要
All-solid-state batteries (ASSBs) are the important attributes of the forthcoming technologies for electrochemical energy storage. A key element of ASSBs is the solid electrolyte materials. Garnets are considered promising candidates for solid electrolytes of ASSBs due to their chemical stability with Li metal anodes, reasonable kinetic characteristics (σLi∼ 10−3–10−4 S · cm−1) and a wide electrochemical window. This study is aimed at the analysis of the experimental data available for garnet thin films, examining the ionic conductivity through the film/substrate lattice mismatch, the elastic properties and the difference in the thermal expansion characteristics of the film and the substrate, the deposition temperature of the film, and the melting point and the dielectric constant of the substrate. Based on the results of this analysis and by introducing the corresponding characteristics involved as the descriptors, the quantitative models for predicting the ionic conductivity values were developed. Some important characteristic features for ion transport in garnet films, which are primarily concerned with the film/substrate misfit, elastic properties, deposition temperature, cation segregation and the space charge effects, are discussed.
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