Fabrication and characterizations of soft and flexible Poly(dimethylsiloxane)-incorporated network polymer electrolyte membranes

Manjit Singh Grewal, Manabu Tanaka, Hiroyoshi Kawakami

Research output: Contribution to journalArticle

Abstract

Simultaneous improvements in both structural and ionic conductive properties in solid polymer electrolytes are crucial for developing all-solid-state rechargeable lithium ion batteries with high performance and long-term durability. The incorporation of polydimethylsiloxane (PDMS) units into polymer electrolyte system can provide a route to achieve good lithium ion conduction and mechanical properties. Herein, we prepare cross-linked network polymer electrolyte membranes comprising of poly (ethylene glycol)-diacrylate and methacrylate-terminated PDMS that covalently bonded with four-arm cross-linker with thiol terminal groups via a single-pot facile in-situ thiol-ene polymerization method. The network polymer electrolyte membranes provide the unprecedented combination of mechanical strength, ionic conductivity, and merits for good interfacial compatibility with electrodes in all-solid-state battery applications. The overall performance demonstrates that the PDMS-based electrolytes are promising solid electrolytes for future high-performance rechargeable lithium ion batteries.

Original languageEnglish
Article number122045
JournalPolymer
Volume186
DOIs
Publication statusPublished - 2020 Jan 9
Externally publishedYes

Keywords

  • All-solid-state battery
  • Ionic conductivity
  • Lithium ion batteries: polydimethylsiloxane
  • Network polymer electrolyte

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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