Abstract
In this study, we added polyvinyl alcohol (PVA) as a composite polymer to PEO based SPEs, with a varied amount of LiOH addition. The homogeneous solution was cast to form a thin and transparent SPE membrane. Characterization by X-ray Diffraction (XRD) revealed the semi-crystalline properties of all samples. Ionic conductivity of SPEs composites was determined through AC impedance measurement using Electrochemical Impedance Spectroscopy (EIS). The study revealed that the addition of LiOH showed higher ionic conductivity (2.18 × 10 −5 S.cm −1 ) than the sample made of pure PEO/PVA composite (1.56 × 10 −5 S.cm −1 ).
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