Thermal and ionic conductivity studies of plasticized PMMA/PVdF blend polymer electrolytes |
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| Authors: | S Rajendran O Mahendran T Mahalingam |
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| Institution: | a Department of Physics, Alagappa University, Karaikudi 630 003, India
b Saraswathi Narayanan College, Madurai 625 022, India |
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| Abstract: | Poly(methylmethacrylate) (PMMA)/poly(vinylidene fluoride) (PVdF) blend based electrolyte films containing different lithium salt concentrations are prepared using solvent casting technique. The complexation has been confirmed using XRD and FTIR spectral studies. Ionic conductivity and thermal behaviour of PMMA/PVdF complexes were studied with various salt concentrations, temperature and plasticizer content. The network structure of the polymer complexes are also investigated using SEM. The maximum value of conductivity 4.2×10−3 S/cm is obtained for the PMMA(7.5)-PVdF(17.5)-LiClO4(8)-DMP(67) polymer complex at 303 K. |
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| Keywords: | Polymer blend Salt variation FTIR XRD SEM Thermal and conductivity studies |
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