A Review of Modification Methods of Solid Electrolytes for All-Solid-State Sodium-Ion Batteries

Hanqing Dai, Yuanyuan Chen, Wenqian Xu, Zhe Hu, Jing Gu, Xian Wei, Fengxian Xie, Wanlu Zhang, Wei Wei, Ruiqian Guo, Guoqi Zhang

Research output: Contribution to journalReview articlepeer-review

4 Citations (Scopus)

Abstract

All-solid-state sodium-ion battery (ASSIB) is a promising new energy storage device due to the excellent thermal stability, low flammability, high impermeability and nonvolatility, as well as riskless fire and explosion properties. The solid electrolyte plays a core role in the ASSIBs to determine their electrochemical performance. Herein, close attention is paid to effective approaches to improve the performance of solid electrolytes, including ion doping and substitution, composite method, coating method, crystal transformation method, ceramization and vitrification, etc. In particular, electrochemical window, ionic conductivity, electrochemical stability, and structural stability are also reviewed. The future development of solid electrolytes and the possible directions for improving the properties of the ASSIBs in practical applications are also prospects. This review will guide the development of solid electrolytes for the ASSIBs in future.

Original languageEnglish
Article number2000682
Pages (from-to)1-13
Number of pages13
JournalEnergy Technology
Volume9
Issue number1
DOIs
Publication statusPublished - 2020

Keywords

  • electrochemical properties
  • modification approaches
  • sodium-ion batteries
  • solid electrolytes
  • synthesis methods

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