Ionic conductivity studies in PMMA/PVdF polymer blend electrolyte with lithium salts |
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Authors: | O. Mahendran S. Rajendran |
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Affiliation: | (1) Department of Physics, Saraswathi Narayanan College, 625 022 Madurai, India;(2) Alagappa University, 630 003 Karaikudi, India |
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Abstract: | Batteries using ionically conducting polymer membranes as electrolytes are very attractive, since the concept of power sources capable of combining a high energy content with plasticity is very appealing for the consumer electronics market and in electric vehicle applications. Blend based polymer electrolytes composed of poly (methylmethacrylate) (PMMA), Poly Vinylidene fluoride (PVdF), Lithium salt (LiX) (X=ClO4, BF4 and CF3SO3) and Dimethyl Phthalate (DMP) are prepared using solvent casting technique. The films have been characterized using XRD, FTIR, Thermal and SEM studies; the effect of complexing salt and temperature on ionic conductivity is also discussed. The maximum conductivity value obtained for the solid polymer electrolyte film at 303 K is 4.2 × 10−3 S/cm. |
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