Increasing the ionic conductivity of solid state polymer electrolyte using fly ash as a filler


  • Yatim Lailun Ni'mah Chemistry Department, Faculty of Science, Institut Teknologi Sepuluh Nopember Surabaya
  • Muhammad Fajar Taufik Chemistry Department, Faculty of Science, Institut Teknologi Sepuluh Nopember Surabaya
  • Atetegap Maezah Bahir Dar University, Bahir Dar, Ethiopia
  • Fredy Kurniawan Chemistry Department, Faculty of Science, Institut Teknologi Sepuluh Nopember Surabaya



Polymer electrolyte, PEO, Conductivity, NaClO4, Fly Ash


Polymer electrolytes film based on polyethylene oxide (PEO) complexes with NaClO4 salt with a ratio of EO: Na = 20:1 and fly ash as filler has been prepared by solution casting technique. The crystallinity of the solid polymer electrolyte was characterized by X-Ray Diffraction (XRD). The interaction between PEO and Na-ions confirmed by Fourier Transform Infra Red (FTIR) analysis. The ionic conductivity of the solid polymer electrolyte was investigated by impedance analysis from 1 MHz to 1 Hz at a varied temperature of 50°C, 60°C, 70°C, 80°C, and 90°C. The maximum ionic conductivity of EO: Na = 20 was 5.31 x 10-5 S cm-1 and increases to 2.13 x 10-4 S cm-1 by the addition of fly ash 5% at the temperature of 60°C.


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