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Transport, structural and thermal studies on nanocomposite polymer blend electrolytes for Li-ion battery applications |
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| Authors: | S. Rajendran K. KesavanR. Nithya M. Ulaganathan |
| Affiliation: | a School of Physics, Alagappa University, Karaikudi, Tamil Nadu 630 003, India b Dept of Physics, Shanmuganathan Engineering College, Pudukkottai, Tamil Nadu 622 507, India c Energy Research Institute @ NTU (ERI @ N), Nanyang Technological University, Singapore 637 553, Republic of Singapore |
| Abstract: | Nanocomposite polymer electrolytes (NCPEs) composed of poly(vinylidenefluoride-co-hexafluoropropylene) (PVdF-co-HFP) as a host polymer, Poly(vinyl acetate) (PVAc) as an additive, Ethylene Carbonate (EC) as a plasticizer, Lithium Perchlorate as dopant salt and Barium Titanate (BaTiO3) as a filler were prepared for various concentrations of BaTiO3 using solvent casting technique. Thermal stability of the sample having maximum ionic conductivity was found using TG/DTA analysis. Nano composite polymer electrolytes were subjected to ac impedance analysis spectra for acquiring the ionic conductivity values at different temperature. Surface structure of the sample was analysed using scanning electron microscope and the complexations of samples were analysed using X-ray diffraction analysis. It was noted that the polymer electrolyte contains 8 wt. % of BaTiO3 showed maximum ionic conductivity than the other ratios of BaTiO3. |
| Keywords: | Composite polymer electrolyte Barium Titanate Ac impedance X-ray diffraction analysis Conductivity |
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