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Measurement of the Apparent Lithium Ion Transference Number and Salt Diffusion Coefficient in Solid Polymer Electrolytes

Research output: Contribution to journalArticle

Author(s)

Lynn Christie, Alasdair Mccall Christie, Colin Angus Vincent

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Abstract

Measurements of the apparent cation transference number of a solid polymer electrolyte by a voltammetric technique are compared with results from the steady-state dc polarization method. The combination of measurements made at a microelectrode and at a macroelectrode, performed in the absence of supporting electrolyte, yields both the apparent transference number theta, and the salt diffusion coefficient D. Lithium cationic transference numbers in a series of macroscopically solid gels were determined as a function of salt concentration. (C) 1999 Elsevier Science Ltd. All rights reserved.

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Details

Original languageEnglish
Pages (from-to)2909-2913
Number of pages5
JournalElectrochimica Acta
Volume44
Publication statusPublished - 1999

    Research areas

  • apparent transference number, diffusion coefficient, gel, voltammetry, chronoamperometry

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