Abstract
Poly(methyl methacrylate) (PMMA)/poly(vinyl chloride) (PVC) polymer blend electrolytes with lithium bis(trifluoromethanesulfonyl) imide (LiTFSI) as a dopant salt were prepared by solution casting technique. Various blend ratio of PMMA/PVC was studied in this present work. Based on the results obtained from AC-impedance spectra, the weight ratio of PMMA/PVC that is 70:30 exhibited the highest ionic conductivity at room temperature. The ionic conductivity and dielectric relaxation studies of the blended polymer electrolyte have been determined by AC-impedance spectroscopy over a wide frequency regime. In addition, Fourier Transform Infrared (FTIR) studies revealed the complexation between PMMA, PVC and LiTFSI.
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