Polyvinylidene fluoride-hexafluoropropylene (PVdF-HFP)-based composite polymer electrolyte containing LiPF3(CF3CF2)3 |
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| Authors: | V. Aravindan T. Prem Kumar |
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| Affiliation: | a Department of Physics, Gandhigram Rural University, Gandhigram 624 302, Tamil Nadu, India
b Electrochemical Power Systems Division, Central Electrochemical Research Institute, Karaikudi 630 006, Tamil Nadu, India |
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| Abstract: | This paper describes the preparation and characterization of lithium fluoroalkylphosphate-containing composite polymer electrolyte based on a polyvinylidene fluoride-hexafluoropropylene (PVdF-HFP) matrix. A mixture of ethylene carbonate and diethyl carbonate was used as a plasticizing agent and nanoscopic Al2O3 as a filler. The membranes were characterized by ac impedance, SEM, DSC, FTIR and fluorescence. An electrolyte with 2.5 wt% Al2O3 exhibited a conductivity of 9.8 × 10−4 S cm−1 at ambient temperature. It was found that filler contents above 2.5 wt% rendered the membranes less conducting. |
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| Keywords: | 61.10.Ed 65.60.+a 61.46.Df |
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