Abstract
A new class of gel polymer electrolytes comprising the blend of poly(ethyl methacrylate) (PEMA) and poly(vinylidene fluoride), the mixture of ethylene carbonate and propylene carbonate as a plasticizer, and lithium perchlorate (LiClO4) as a salt was prepared using solvent casting technique. The formation of polymer–salt complexes has been confirmed by XRD analysis. Morphological and thermal studies have been performed using SEM and DMA analyses. A comparative look between PEMA and poly(methyl methacrylate) (PMMA) electrolytes has showed that PEMA electrolytes exhibited better electrochemical performances than PMMA electrolytes, despites its lower conductivity.
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Acknowledgment
This work is supported by National Science Council of Republic of China under contract number NSC 94-2214-E-002-003. One of the authors, M. Sivakumar, acknowledges a post-doctor fellowship (NSC 94-2811-E-002-050).
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PEMA gel polymer electrolytes have better mechanical strength and electrochemical stability and rather lesser ionic conductivity than PMMA gel polymer electrolytes.
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Subadevi, R., Sivakumar, M., Rajendran, S. et al. Development and characterizations of PVdF-PEMA gel polymer electrolytes. Ionics 18, 283–289 (2012). https://doi.org/10.1007/s11581-011-0629-0
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DOI: https://doi.org/10.1007/s11581-011-0629-0