Na ₂ O Doped Glassy Electrolytes as Promising Candidate for NIBs Application: Investigation of DC Conductivity and Microstructure

This communication focuses on newly developed glassy electrolytes composed of Na2O-PbCl2-ZnO-V2O5, examining their electrical transport behaviour at ambient temperature. The direct current (DC) conductivity of these materials has been extensively analyzed using variable range hopping models. DC conductivity and hopping frequency have been computed based on the best-fitted plots of the experimental data. The DC conductivity was assessed at various concentrations while maintaining constant temperatures. Additionally, the variation of conductivity data with reciprocal temperature highlights the dynamic behaviour of charge carriers through hopping conduction in sodium oxide-doped glassy systems. Higher electronphonon interaction coupling constant reveals that the present system involves a strong electron-phonon interaction for polaron hopping. The microstructure of the asdeveloped system has been investigated and correlated with transport behaviour. The present study is expected to be a potential one not only for exploring the nature of hopping/migration frequency of Na+ ions for NIBs application but also for academic interest.