Interface between Solid-State Electrolytes and Li-Metal Anodes: Issues, Materials, and Processing Routes

Zizheng Tong, Shu Bo Wang, Yu Kai Liao, Shu Fen Hu, Ru Shi Liu

Research output: Contribution to journalReview articlepeer-review

Abstract

Li metal, which has a high theoretical capacity and negative electrochemical potential, is regarded as the "holy grail"in Li-ion batteries. However, the flammable nature of liquid electrolyte leads to safety issues. Hence, the cooperation of solid-state electrolyte and Li-metal anode is demanded. However, the short cycle life induced by interfacial issues is the main challenge faced by their cooperation. In this review, dendrite and interfacial side reactions are comprehensively analyzed as the main interfacial problems. Meanwhile, the "state-of-the-art"interphase materials are summarized. The challenges faced by each kind of material are underscored. Moreover, different processing routes to fabricate artificial interphase are also investigated from an engineering perspective. The processing routes suitable for mass production are also underscored.

Original languageEnglish
Pages (from-to)47181-47196
Number of pages16
JournalACS Applied Materials and Interfaces
Volume12
Issue number42
DOIs
Publication statusAccepted/In press - 2020

Keywords

  • dendrite
  • interfacial modification
  • Li-metal anode
  • solid-state battery
  • solid-state electrolyte

ASJC Scopus subject areas

  • Materials Science(all)

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