Discharge Characteristics of Solid Polmer Blend Electrolyte Films
Journal Title: International Journal of Engineering and Science Invention - Year 2017, Vol 6, Issue 12
Abstract
Solid polymer blend electrolyte system films on polyvinyl alcohol (PVA) and polyethylene glycol (PEG) complexed with DMF was prepared using solution cast technique. The effect of plasticizer (DMF) on the properties of Sodium ion conducting electrolyte was studied. Complexation of the polymer blend with salt was examined by XRD studies. DC conductivity of the films was measured in the temperature range 303–398 K. The electrical conductivity increased with increasing dopant concentration, which is attributed to the formation of charge transfer complexes. The polymer complexes exhibited Arrhenius type dependence of conductivity with temperature.. The total ionic transport number was evaluated by means of Wagner’s polarization technique .Transport number for Sodium ion is ranged from 0.95 to 0.98 depending on the composition. Electrochemical cells with configuration Na / polymer electrolyte / (I2+C+electrolyte) were fabricated. The discharge characteristics of the cell were studied under a constant load.
Authors and Affiliations
V. Swetha, P. Eswar kumar, V. Balasubramanyam Achari
Keywords
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