Polymer electrolytes |
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| Authors: | Alain Le Mehaute Gilles Crepy Georges Marcellin Thierry Hamaide Alain Guyot |
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| Affiliation: | (1) CGE, Laboratoire de Marcoussis, F-91460 Marcoussis, France;(2) CNRS, Laboratoire des Matériaux Organiques, BP 24, F-69390 Lyon Vernaison, France |
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| Abstract: | Summary The room temperature conductivity of lithium salts dissolved in polyethylene oxide, proposed as polymer electrolytes, is shown to decrease drastically upon storage. The crystallization process, which is responsible for that ageing, can be blocked, if two further components are added : an elastomer copolymer butadiene-acrylonitrile and a macromer of polyoxyethylene. In addition, a crosslinking process must be carried out. |
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