Selection of New Kynar-based Electrolytes for Lithium-ion Batteries

Alasdair Mccall Christie, Lynn Christie, Colin Angus Vincent

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)


New electrolyte solution compositions have been identified for use in lithium-ion batteries after gelling with an appropriate quantity of Kynar polymer. Since the Li+ conducting medium is largely the liquid electrolyte component, the assessment of these solutions as suitable lithium-ion cell candidates were investigated before adding the polymer. Selected electrolyte solutions were then used in the preparation of polymer gels. The specific conductivities of Kynar-based gels were determined as a function of salt concentration and polymer concentration. Optimised self-supporting polymer films, based on mixtures of ethylene carbonate (EC), ethylmethyl carbonate (EMC) and lithium hexafluorophosphate (LiPF6) or lithium tetrafluoroborate (LiBF4), showed good high current density cycling performance when used as separators in coke and Li1-xMn2O4 (spinel) half-cells. (C) 1998 Elsevier Science S.A. All rights reserved.

Original languageEnglish
Pages (from-to)77-86
Number of pages10
JournalJournal of Power Sources
Publication statusPublished - 15 Jul 1998


  • lithium-ion
  • gel
  • Kynar
  • solvent stability
  • coke
  • spinel
  • PMMA


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