Fire-resistant organophosphorus gel polymer electrolyte additive for use in rechargeable lithium batteries

Robert V. Morford, E. Clay Kellam, Michael A. Hofmann, Richard Baldwin, Harry R. Allcock

Research output: Contribution to journalArticle

33 Scopus citations

Abstract

The development of a small-molecule organophosphorus gel polymer electrolyte additive for use in rechargeable lithium batteries is described. This organophosphorus additive is less volatile and more resistant to ignition than propylene carbonate, a well known component of gel polymer electrolytes. Moreover, the ionic conductivities of gels containing the organophosphorus additive at low molar concentrations (11-21%) exceed the ionic conductivities of gels containing equimolar amounts of propylene carbonate (5.3×10-5 versus 4.8×10-5 S/cm). At higher molar concentrations (31-52%) there is evidence of phase separation, but conductivities remain comparable to propylene carbonate systems.

Original languageEnglish (US)
Pages (from-to)171-177
Number of pages7
JournalSolid State Ionics
Volume133
Issue number3
DOIs
StatePublished - Aug 2 2000

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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