Mechanically compliant and lithium dendrite growth-suppressing composite polymer electrolytes for flexible lithium-ion batteries

Se Hee Kim, Keun Ho Choi, Sung Ju Cho, Eun Hye Kil, Sang Young Lee

Research output: Contribution to journalArticle

90 Citations (Scopus)

Abstract

We demonstrate mechanically compliant and lithium dendrite growth-suppressing composite polymer electrolytes for use in flexible lithium-ion batteries. This new composite polymer electrolyte (referred to as "CPE") is fabricated via an exquisite combination of UV (ultraviolet)-cured ethoxylated trimethylolpropane triacrylate macromer (serving as a mechanical framework) and Al2O3 nanoparticles (as a functional filler) in the presence of a high boiling point liquid electrolyte. A distinctive structural feature of the CPE is the close-packed Al 2O3 nanoparticles in the liquid electrolyte-swollen ETPTA macromer matrix. Owing to this unique morphology, the CPE provides significant improvements in the mechanical bendability and suppression of lithium dendrite growth during charge-discharge cycling.

Original languageEnglish
Pages (from-to)4949-4955
Number of pages7
JournalJournal of Materials Chemistry A
Volume1
Issue number16
DOIs
Publication statusPublished - 2013 Apr 28

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

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