复合数
接口(物质)
电解质
钠
材料科学
固态
快离子导体
化学工程
复合材料
冶金
化学
工程类
工程物理
电极
物理化学
毛细管数
毛细管作用
作者
Junyu Hou,Tianke Zhu,Li Wang,Rongrong Cheacharoen,Wu Sun,Xingyu Lei,Qunyao Yuan,Dalin Sun,Jie Zhao
摘要
Abstract Solid‐state sodium batteries (SSSBs) are poised to replace lithium‐ion batteries as viable alternatives for energy storage systems owing to their high safety and reliability, abundance of raw material, and low costs. However, as the core constituent of SSSBs, solid‐state electrolytes (SSEs) with low ionic conductivities at room temperature (RT) and unstable interfaces with electrodes hinder the development of SSSBs. Recently, composite SSEs (CSSEs), which inherit the desirable properties of two phases, high RT ionic conductivity, and high interfacial stability, have emerged as viable alternatives; however, their governing mechanism remains unclear. In this review, we summarize the recent research progress of CSSEs, classified into inorganic–inorganic, polymer–polymer, and inorganic–polymer types, and discuss their structure–property relationship in detail. Moreover, the CSSE–electrode interface issues and effective strategies to promote intimate and stable interfaces are summarized. Finally, the trends in the design of CSSEs and CSSE–electrode interfaces are presented, along with the future development prospects of high‐performance SSSBs.
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