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  • Chem Sci Trans., 2016, 5(1),  pp 56-60  

    DOI:10.7598/cst2016.1154

    Research Article

    AC Impedance Studies on Magnesium Ion Conducting Polymer Electrolyte System with Ethylene Carbonate as Plasticizer and MgO as Nanofiller

  • S. SAROJINI* and C. ANJALAI
  • PG and Research Department of Physics, Queen Mary?s College (A), Chennai, 600004, India
  • Abstract

    The present investigation involves the electrical characterization studies on three different systems namely system-I ((PMMA + PVDF)y ? (Mg(CF3SO3)2)1-y, where 1-y = 60, 50, 40, 30 and 20 mol% respectively, System-II ((PMMA + PVDF) y - (Mg(CF3SO3)2)1-y)z-(EC) 1-z, where 1-z = 25, 20, 15, 10 and 5 mol % respectively and System-III (((PMMA + PVDF) y - (Mg(CF3SO3)2)1-y)z - (EC) 1-z)b - (MgO) 1-b ,where1-b = 20, 15, 10 and 5 mol% respectively by solution-casting technique. In system III, the MgO nanofiller of 32 nm size prepared by wet chemical sol-gel method is added to arrive at nanocomposite solid polymer electrolyte system in four different compositions namely 1-b = 20, 15, 10 and 5 mol% respectively. AC complex impedance analysis as a function of frequency was carried out in the frequency range of 20 Hz to 10 MHz from room temperature to 350 K to arrive at best conducting composition.

    Keywords

    AC Impedance, Ionic conductivity, Solid polymer Electrolytes

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