High ionic conductive behavior of cyanoethylated polyvinylalcohol- and polyacrylonitrile-based electrolytes |
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| Institution: | 1. Department of Materials Science, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700 032, India;2. SRM Research Institute, SRM University, Kattankulathur, Chennai, 603203, India;1. Department of Transplant Surgery, Jichi Medical University, Tochigi, Japan;2. Department of Pharmacy, Jichi Medical University Hospital, Tochigi, Japan;3. Department of Clinical Pharmacy, Jichi Medical University, Tochigi, Japan;1. Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Seri Iskandar, Perak, 32610, Malaysia;2. Centre of Innovative Nanostructures and Nanodevices (COINN), Universiti Teknologi PETRONAS, Seri Iskandar, Perak, 32610, Malaysia;3. Chemical Engineering Section, Malaysia Institute of Chemical & Bioengineering Technology, Universiti Kuala Lumpur (UniKL MICET), Alor Gajah, Melaka, 78000, Malaysia |
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| Abstract: | New type polymer electrolyte films based on poly(acrylonitrile), (PAN), and cyanoethylated poly(vinyl alcohol), (CN-PVA), were prepared and their conducting behaviors were investigated. CN-PVA was prepared from poly(vinyl alcohol), (PVA) and acrylonitrile in the presence of sodium hydroxide and quaternary ammonium halide as a phase transfer catalyst. Free standing PAN- and CN-PVA-based electrolyte films were prepared by casting the propylene carbonate (PC) solution containing PAN, CN-PVA and LiClO4 and removing some amount of PC. Ionic conductivity of the electrolyte film, (PAN)10(CN-PVA) 10(LiClO4)8(PC)4 composite film was 14.6 mS cm? 1 at 30 °C and 22.4 mS cm? 1 at 60 °C. FTIR results for the electrolyte films suggest that the nitrile groups in the CN-PVA matrix mainly interact with the lithium ions in the films and enhance dissolution of the lithium salt in the electrolyte films. |
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