Abstract
The present work highlights the investigation of electrical conduction properties of gel polymer electrolyte (GPE) based poly(methyl) methacrylate (PMMA) and poly(lactic) acid (PLA) blend doped with various compositions of lithium bis(oxalato) borate. The impedance analysis revealed the GPE systems exhibit maximum ionic conductivity of 1.37 × 10−3 S cm−1 for sample PLi20. The electrical properties based on the dielectric permittivity of entire samples decreased with increasing frequency and followed the trend of ionic conductivity. Further analysis was carried out to determine the dielectric response at different temperatures, focusing on the most conducting sample (PLi20). Both dielectric constant and loss increase with the increasing temperature, which suggested that total polarization has occurred. In conclusion, the samples with 20 wt% composition of LiBOB exhibit the highest conducting properties which significantly provides good electrical performance for the application in energy storage devices.
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