Electrical Properties of Polymer Electrolytes Membrane and Keratin-PVA as Electrode for Supercapacitors

  • Authors

    • E. Hastuti
    • M. Rizkia
    https://doi.org/10.14419/ijet.v8i1.9.30093
  • supercapacitors, polymer electrolytes, keratin

  • Polymer electrolytes membranes were synthesized from Polyvinil Alcohol (PVA) with variations of H3PO4, KI/I2, and H3PO4/KI/I2. Membranes were placed between two electrodes keratin-PVA and pressed at temperature of 50 oC The effect of polymer electrolytes  on electrochemical properties of supercapacitors were investigated using LCR meter and charge discharge analysis. Semicircle indicates a movement of charge on electrode surface area and a charge transfer resistance (Rct). Capacitance was increased up to 269 pF after the mixed electrolyte  KI/I2- PVA membrane. Spectra’s impedance and permittivity identify polarizability a dielectric material. It is based on the interaction of an external field with the electric dipole moment of the sample and then trapped on the electrode surface. Redox pair I3-/I-  improves the process of  charging energy and increases capacitance and power density.

     

     

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  • How to Cite

    Hastuti, E., & Rizkia, M. (2019). Electrical Properties of Polymer Electrolytes Membrane and Keratin-PVA as Electrode for Supercapacitors. International Journal of Engineering & Technology, 8(1.9), 709-712. https://doi.org/10.14419/ijet.v8i1.9.30093