Abstract
Development polymer electrolyte with high ionic conductivity is main of object in solid state electrolyte will be potential application as electrolyte batteries. Casting method have been used to prepared solid polymer electrolyte. Adding polyethylene(glycol) PEG and Poly(ethylene oxide) PEO as polymer matrix be made of poly(vinylidene fluoride) (PVdF) and lithium bis(oxalato) borate (LiBOB) to improve structure morphology and impedance characterization of solid electrolyte. The ratio of PEG and PEO is varied to study effect on the conductivity. Electro impedance spectroscopy (EIS) studies are carried out on the prepared samples. The impedance measurement show that the conductivity with composition PVdF- PEG- LiBOB 10% better than the other varieties to applied as solid electrolyte batteries. SEM morphology PVdF- PEG- LiBOB 10% sample showed the low crystallinity was caused by interaction between lithium salt and polymer. With their properties the solid polymer electrolyte are considered as promising candidates of applications for lithium ion batteries.
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