INFLUENCE OF ION PAIRING ON CATION TRANSPORT IN THE POLYMER ELECTROLYTES FORMED BY POLY(ETHYLENE OXIDE) WITH SODIUM TETRAFLUOROBORATE AND SODIUM TETRAHYDROBORATE.

R. Dupon, B. L. Papke, Mark A Ratner, D. H. Whitemore, D. F. Shriver

Research output: Contribution to journalArticlepeer-review

148 Citations (Scopus)

Abstract

Vibrational spectroscopic and conductivity data for complexes of NaBF//4 and NaBH//4 with poly(ethylene oxide) indicate that extensive contact ion pairing occurs in the NaBH//4 complex but not in the NaBF//4 complex. As a result the ionic conductivity is considerably lower in the NaBH//4 complex due to trapping of the mobile sodium cations by the anion. Conductivity studies on mixed anion complexes of poly(ethylene oxide) containing both ion-pairing (BH//4** minus ) and non-ion-pairing (BF//4** minus ) anions suggest that cation transport in these systems is not limited by motion through the polymer helical channels in which the cation is thought to reside. Conduction between helical chains appears to be a dominant process.

Original languageEnglish
Pages (from-to)6247-6251
Number of pages5
JournalJournal of the American Chemical Society
Volume104
Issue number23
Publication statusPublished - Jan 1 1982

ASJC Scopus subject areas

  • Chemistry(all)

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