Boronic ionogel electrolytes to improve lithium transport for Li-ion batteries

Albert S. Lee, Jin Hong Lee, Soon Man Hong, Jong Chan Lee, Seung Sang Hwang, Chong Min Koo

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Boron containing ionogels were fabricated through chemical crosslinking of boron allyloxide with polyethylene glycol dimethacrylate in an ionic liquid electrolyte solution to obtain mechanically robust gels. Because of the relatively small concentration of crosslinking agent required to fully solidify the ionic liquid electrolyte, good characters of high ionic conductivity, high thermal stability, and good electrochemical stability were observed. A spectroscopic investigation of the boronic ionogels revealed that the lithium mobility was noticeably enhanced compared with ionogels fabricated without the boronic crosslinker, leading to promising Li-ion battery performance at elevated temperatures.

Original languageEnglish
Pages (from-to)36-41
Number of pages6
JournalElectrochimica Acta
Volume215
DOIs
Publication statusPublished - 2016 Oct 10
Externally publishedYes

Keywords

  • boron
  • gel polymer electrolytes
  • Ionic liquids
  • lithium mobility
  • lithium-ion battery

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Electrochemistry

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