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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Le Mehaute, A., Crepy, G., Marcellin, G. et al. Polymer electrolytes. Polymer Bulletin 14, 233–237 (1985). https://doi.org/10.1007/BF00254943
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DOI: https://doi.org/10.1007/BF00254943