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Concentration polarization of a polymer electrolyte
KTH, Superseded Departments, Chemical Engineering and Technology.ORCID iD: 0000-0001-9203-9313
2002 (English)In: Journal of the Electrochemical Society, ISSN 0013-4651, Vol. 149, no 8, A1015-A1019 p.Article in journal (Refereed) Published
Abstract [en]

In this study, the salt concentration in a concentrated binary polymer electrolyte was measured in situ by means of confocal Raman spectroscopy during galvanostatic polarization experiments. The electrolyte studied was 0.8 M lithium bis(trifluoromethanesulfone)imide in a copolymer of ethylene- and propylene oxide at 25degreesC. Recent work with a transport model and characterization of the transport properties, for the same electrolyte, was verified with the spectroscopic results of this study. A good agreement between modeled and measured results was found. The spectroscopic method suited well for these studies. The possibilities of using a transport model are briefly demonstrated and discussed.

Place, publisher, year, edition, pages
2002. Vol. 149, no 8, A1015-A1019 p.
Keyword [en]
transport-properties, system, raman, cells
URN: urn:nbn:se:kth:diva-21713DOI: 10.1149/1.1487832ISI: 000176815100011OAI: diva2:340411
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Lindbergh, Göran
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