P. Naveen Kumar, U. Sasikala, and A.K. Sharma
Sodium ion conducting polymer electrolyte films based on Poly (ethylene oxide) PEO/Poly (ethyl methacrylate) PEMA have been prepared by solution-cast technique in various concentrations. Miscibility studies of the electrolytes were investigated by X-ray diffraction (XRD) and the results show that the highest conducting film is the most amorphous. Frequency dependent conductivity (σac) values were obtained from complex impedance (colecole) plots. It was observed that the magnitude of conductivity increased both with the increase in the salt concentration and the temperature. The charge transport of these electrolytes is mainly due to ions which were confirmed by the transference number experiment. Using this electrolyte, cells were fabricated and their discharge profiles were studied under constant load. Several cell parameters associated with the cells were evaluated and compared with earlier reports.
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