Poly(Ionic Liquid)s-in-Salt Electrolytes with Co-coordination-Assisted Lithium-Ion Transport for Safe Batteries

Xiaoen Wang, Fangfang Chen, Gaetan M.A. Girard, Haijin Zhu, Douglas R. MacFarlane, David Mecerreyes, Michel Armand, Patrick C. Howlett, Maria Forsyth*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

105 Scopus citations

Abstract

The properties of polymer hosts and their interactions with lithium salt are critically important for the design of alternative polymer electrolytes for safe lithium battery applications. Herein, we report a poly(ionic liquid) host as a solid electrolyte platform and propose a different coordination mechanism manipulating lithium-ion diffusion compared with traditional polymer systems. Our finding provides a new strategy to develop high-performance polymer electrolytes for next-generation high-energy-density lithium-metal batteries.

Original languageEnglish
Pages (from-to)2687-2702
Number of pages16
JournalJoule
Volume3
Issue number11
DOIs
StatePublished - 20 Nov 2019
Externally publishedYes

Keywords

  • Li-ion transport
  • Li-metal batteries
  • high energy density
  • high salt concentration
  • molecular dynamics
  • poly(ionic liquid)s (polyILs)
  • solid polymer electrolytes
  • solvent free

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