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  • Chem Sci Trans., 2013, 2(1),  pp 322-328  

    DOI:10.7598/cst2013.257

    Research Article

    Ionic Conductivity of PVC Based Microporous Polymer Membrane Electrolyte

  • ASHWINI S. MAHALLE and VIJAYA S. SANGAWAR
  • Department of Physics, Polymers and Nanomaterials Research Lab, Govt. Institute of Science & Humanities, Amravati-444604 (M.S.), India
  • Abstract

    A microporous polymer membrane based on polyvinyl chloride (PVC) was obtained by a novel polymer dissolution technique in different compositions of (PVC-PVA). The structural study of the prepared PVC microporous membrane was carried out by x-ray diffraction. TGA/DTA analysis reveals that the microporous polymer membrane is thermally stable up to 600 0C. Ionic conductivity of polymer membrane electrolytes have been determined by impedance studies in the temperature of 303-343 K by varying the PVA content in PVC matrix. The ionic conductivity at room temperature was significantly enhanced about 5.431x10-4 S/cm when the weight ratio of PVA was 40 wt%. Finally the effect of different lithium salt concentration was also studied for the microporous polymer electrolyte of high ionic conductivity system. A maximum ionic conductivity of 1.29x10-3 S/cm was obtained for 3 M LiClO4 electrolyte solution at ambient temperature.

    Keywords

    Microporous polymer membrane, XRD, TGA/DTA, Ionic conductivity

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