Gamma Irradiated Cellulose Acetate Based Composite Polymer Electrolytes

The present invention relates to a method for increasing the ionic conductivity of a thin film polymer electrolyte, characterized by the steps of irradiating a thin film polymer electrolyte with gamma rays; wherein the composite thin film polymer electrolyte comprises of cellulose acetate, lithium bis(trifluoro-methanesulfonyl)imide, 1-allyl-3-methylimidazolium chloride and nano-silica.