Abstract
Electrochemical devices play pivotal roles in fostering a sustainable future. In modern technologies, the research and development of solid electrolytes are effectively utilized in electrochemical devices. Here in, we report a solid polymer electrolyte as a separator for lithium-ion batteries. Novel synthetic polymers [ Poly (vinylidene chloride- co– acrylonitrile), Poly Ethylene Glycol] are blended with constant weight percentage of salt [lithium perchlorate (LiClO4)] and different concentrations of plasticizer [propylene carbonate (PC)] using solvent casting method. As polymer electrolyte’s ionic conductivity enhanced up to 10-4 S/cm with 4.5 V electrochemical stability at ambient temperature. Furthermore, these polymer electrolytes restrain the growth of lithium dendrites, which were entrenched via temperature-dependent impedance method. The PC influence enhances the tensile strength of polymer electrolyte (upto 56.76 MPa). Dielectric study shows the non-Debye behaviour of the prepared electrolytes. To sum up, PEG and PC incorporated polymer membrane opt-out as a separator in lithium-ion batteries.
Published Version
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