Concentration measurements in lithium/polymer–electrolyte/lithium cells during cycling

We report on in situ and ex situ concentration measurements in lithium/polymer–electrolyte/lithium cells during cycling. We have used three different methods which give complementary results, in good agreement with theoretical predictions and previous concentration measurements by Raman confocal mic...

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Bibliographic Details
Published inJournal of power sources Vol. 94; no. 2; pp. 212 - 218
Main Authors Brissot, C, Rosso, M, Chazalviel, J.-N, Lascaud, S
Format Journal Article Conference Proceeding
LanguageEnglish
Published Lausanne Elsevier B.V 01.03.2001
Elsevier Sequoia
Subjects
Applied sciences
Concentration measurement
Cycling
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Lithium/polymer–electrolyte/lithium cells
Concentration measurement
Lithium/polymer–electrolyte/lithium cells
Cycling
Ethylene oxide polymer
Battery
Polymer solid electrolyte
Lithium
Secondary cell
Discharge charge cycle
Dendrite
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Summary:We report on in situ and ex situ concentration measurements in lithium/polymer–electrolyte/lithium cells during cycling. We have used three different methods which give complementary results, in good agreement with theoretical predictions and previous concentration measurements by Raman confocal microspectroscopy. Our methods allow to obtain concentration maps in the electrolyte, in particular, when dendrites are observed: from these measurements, we can correlate the onset of dendritic growth with local concentration gradients.
ISSN:0378-7753
1873-2755
DOI:10.1016/S0378-7753(00)00589-9