Elsevier

Polymer

Volume 28, Issue 13, December 1987, Pages 2324-2328
Polymer

Polymer paper
Electrochemical measurement of transference numbers in polymer electrolytes

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Abstract

Electrochemical methods for the determination of transference numbers in polymer electrolytes are considered and a new technique which overcomes some of the problems associated with other methods in current use is described. Results are given of measurements of the transference numbers of lithium and trifluoromethanesulphonate ions in poly(ethylene oxide) at 90°C. A mean value of 0.46 ± 0.02 is reported for lithium.

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