Electrochemical Spectroscopic Impedance Analysis of Solid Polymer Electrolyte-Application to Sodium Ion BatteriesKothuri Ramakrishna, P. Duraipandy, Manojkumar P, K. Mahesh, S. Saravanan and J. Shanmuga PriyanE3S Web Conf., 619 (2025) 02001DOI: https://doi.org/10.1051/e3sconf/202561902001