Liquid phase therapy to solid electrolyte–electrode interface in solid-state Li metal batteries: A review

Chen Zi Zhao, Bo Chen Zhao, Chong Yan, Xue Qiang Zhang, Jia Qi Huang, Yifei Mo, Xiaoxiong Xu, Hong Li, Qiang Zhang*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

224 Citations (Scopus)

Abstract

Solid-state lithium (Li) metal batteries, employing solid electrolytes, with high energy density and enhanced safety are promising choices for next-generation electrochemical energy storage devices. However, the large interfacial resistances seriously hinder their commercialization. To construct a conformal interface with acceptable resistances, introducing small amounts of additional liquid electrolytes is one of the most convenient and effective solutions. This review summarizes the fundamental understandings on the interfacial behaviors between liquid electrolytes, electrodes and solid-state electrolytes. Afterwards, emerging strategies are discussed, involving interfacial wetting, in situ polymerization and interfacial reactions. Finally, current limitations and perspectives are presented for liquid phase therapy regarding the interfacial science and engineering.

Original languageEnglish
Pages (from-to)75-84
Number of pages10
JournalEnergy Storage Materials
Volume24
DOIs
Publication statusPublished - Jan 2020

Keywords

  • Electrolyte–electrode interface
  • Liquid electrolyte
  • Lithium metal anode
  • Solid electrolyte interface
  • Solid-state rechargeable batteries

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