Abstract
A series of Arabic Gum (AG) biodegradable membranes were prepared by Solution Casting Technique. AG membrane is brittle in nature. In order to increase the flexibility and mechanical strength, Poly-Vinyl Alcohol (PVA) is added in different weight ratios. Out of the different AG: PVA polymer blends, a membrane having good flexibility was chosen for the present work. A new polymer electrolyte system for Lithium battery application was prepared by adding different wt.% of Lithium Nitrate (LiNO3) to the fixed AG-PVA polymer blend. X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), and AC impedance measurements have been used to assess the Li-ion transport mechanism involved in the current polymer electrolyte AG-PVA-LN. The complexation between the salt and polymer matrix was confirmed by FTIR analysis. The Arrhenius behaviour was observed in all synthesized electrolytes, and the sample with the highest conductivity had the lowest activation energy. The prepared polymer electrolyte membranes have been characterized using X-ray Diffraction Analysis to confirm the amorphous nature.
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