Structural and Transport Properties of Strontium-doped Lanthanum Manganite Thin Films as Cathode for SOFC Application

B.S. Kamble¹ , U.M. Chougale²

1. Dept. of Physics, D. B. J. College, Chiplun-415605, India.
2. Dept. of Physics Shivaji University, Kolhapur- 416004, India.

Section:Research Paper, Product Type: Journal-Paper
Vol.11 , Issue.4 , pp.50-55, Aug-2023

Online published on Aug 31, 2023

Copyright © B.S. Kamble, U.M. Chougale . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
In the current research paper strontium-doped lanthanum manganite (LSM) material in thin film with 0.10, 0.20, and 0.30 mol % strontium (Sr) was synthesized by spray pyrolysis technique (SPT). The thin film was sintered at 900 ?, it had been characterized by XRD, FESEM for surface morphological analysis, and X-ray photoelectron spectroscopy. The Dielectric constant was measured with temperature variation. The Warburg impedance measurement was carried out with frequency variation in the range 100Hz-5MHz at room temperature. XRD results confirmed that the LSM perovskite phase was formed. Impedance study showed that with increasing strontium polarization resistance decreases.

Key-Words / Index Term :
Spray Pyrolysis, Electrochemical impedance, Cathode, LSM, SOFC

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