Ionic transport study in [NaNO3]100-x:[Sr(NO3)2]x mixed solid electrolyte system

T. V. Kumar ,K. P. Kumar ,G. Prathibha ,N. H Kumarc ,B. H. C. Rao

doi:10.15251/JOR.2023.196.643

T. V. Kumar

K. P. Kumar

G. Prathibha

N. H Kumarc

B. H. C. Rao

^aDepartment of Physics, CVR College of Engineering, Hyderabad, India

^bDepartment of Physics, CMR College of Engineering & Technology, Hyd, India cDepartment of Physics, St. Peter’s Engineering college, Hyderabad, India

^dDepartment of Physics, Gokaraju Rangaraju Institute of Engineering &

Technology, Hyderabad, India.

Journal of Ovonic Research 2023, 19(6),643-651; https://doi.org/10.15251/JOR.2023.196.643

Submitted：Sept 19, 2023

Accepted：Nov 13, 2023

Published：Nov 01, 2023

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T. V. Kumar ,K. P. Kumar ,G. Prathibha ,N. H Kumarc ,B. H. C. Rao . (2023). Journal of Ovonic Research. Ionic transport study in [NaNO3]100-x:[Sr(NO3)2]x mixed solid electrolyte system, 19(6), ,643-651. https://doi.org/10.15251/JOR.2023.196.643

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Abstract

Na+ ion-conducting solid electrolyte of sodium nitrate (NaNO3) and Sr(NO3)2 mixed crystals were grown by slow evaporation technique. XRD, FTIR, SEM characterizations and AC, DC conductivities were carried out on the pellets. Conductivity in these mixed solid electrolytes was noticed to increase with increase in m/o Sr(NO3)2 upto 14.68 followed by decrease. The conductivity in 14.68 m/o Sr(NO3)2 is more than one order of magnitude as compared to NaNO3 in the extrinsic region. Ionic transport in these mixed systems is explained.

Keywords

Solid electrolytes

Energy materials

Ionic conductivity