Ion-pairing in polyether solid electrolytes and its influence on ion transport

B. L. Papke*, R. Dupon, M. A. Ratner, D. F. Shriver

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

76 Scopus citations

Abstract

Vibrational spectroscopic and conductivity data are presented for complexes of NaBF4 and NaBH4 with poly(ethylene oxide). These studies indicate that extensive contact ion pairing occurs in the NaBH4 complex but not in the NaBH4 complex. As a result the ionic conductivity is considerably lower in the NaBH4 complex, due to trapping of the mobile sodium cations by the anion. The effect of salt stoichiometry on the conductivity behavior is also reported.

Original languageEnglish (US)
Pages (from-to)685-688
Number of pages4
JournalSolid State Ionics
Volume5
Issue numberC
DOIs
StatePublished - Oct 1981

Funding

Acknowledgments. This work was supported by the National Science Foundation through the Northwestern University Materials Research Center (Grant No. DMR 79-23573) and by the Office of Naval Research. We thank Dr. D. H. Whitmore, Dr. M. B. Armand and Dr. P. V. Wright for a stimulating exchange of information.

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics

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