Electrochemical and mechanical properties of nanochitin-incorporated PVDF-HFP-based polymer electrolytes for lithium batteries |
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| Authors: | N. Angulakshmi Sabu Thomas K. S. Nahm A. Manuel Stephan R. Nimma Elizabeth |
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| Affiliation: | (1) Department of Physics, Lady Doak College, Madurai, 652 002, India;(2) School of Chemistry, Mahatma Gandhi University, Kottayam, India;(3) School of Chemical Engineering and Technology, Chonbuk National University, Chonju, Chonbuk, 561-756, South Korea;(4) Central Electrochemical Research Institute, Karaikudi, 630 006, India; |
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| Abstract: | Nanocomposite polymer electrolytes (NCPE) composed of poly(vinylidenefluoride-co-hexafluoropropylene) (PVDF-HFP) and chitin for different concentrations of LiClO4 have been prepared by a hot-press technique. The prepared NCPE films were subjected to XRD, SEM, FTIR and tensile analyses. The thermal stability of NCPE membrane was investigated by TG-DTA. Ionic conductivity studies have also been made as a function of lithium salt concentration for different temperatures ranging from 0 to 80 °C. The polymeric membrane comprising PVDF-HFP/chitin/LiClO4 of ratio 75:20:5 (wt.%) offered maximum ionic conductivity. Thermal study reveals that these membranes are stable up to 260 °C. |
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