Startseite Synthesis and characterization of layered perovskite cathode materials for SOFC application
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Synthesis and characterization of layered perovskite cathode materials for SOFC application

Paper presented at the “International Conference on Processing and Characterization of Materials 2018, ICPCM 2018”, 6–8 December 2018, Rourkela, India
  • Gandham Harshitha , Swadesh Kumar Pratihar und Abanti Sahoo
Veröffentlicht/Copyright: 4. Dezember 2019
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 110 Heft 12

Abstract

The present study emphasizes the effect on the properties of cathode material by doping Ln = Nd, Pr on A-site cation in double-layered perovskite (AA′B2O5+δ). New cathode compositions Pr1-xNdxBa0.5Sr0.5Co0.5Fe1.5O5+δ (where x = 0, 0.25, 0.5, 0.75 and 1.0) were synthesized by the glycine-nitrate method and their calcination temperature was optimized. Refinement of X-ray diffraction patterns was performed to determine crystallographic information of the obtained phase. These synthesized powders were pelletized, then sintered at 1200–1250°C for microscopic analysis and electrical conductivity measurements. The chemical stability of these compositions with electrolyte gadolinium-doped ceria was also investigated. Pr1-xNdxBa0.5Sr0.5Co0.5 · Fe1.5O5+δ at x = 0 has shown highest conductivity of 315 S cm−1 at 550°C followed by x = 1.0 of 230 S cm−1 at 570°C. The findings of the present study reveal that these compositions may be used as cathode materials in solid oxide fuel cells.

Keywords: Solid oxide fuel cells; Electrical conductivity; Cathode material; Double-layered perovskite; Glycine-nitrate method
∗Correspondence address, Gandham Harshitha, Chemical Engineering Department, National Institute of Technology Rourkela, Rourkela-769008, India, Tel.: +91-661-246-2258, E-mail:

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Received: 2019-01-24
Accepted: 2019-06-27
Published Online: 2019-12-04
Published in Print: 2019-12-10

© 2019, Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Editorial
  5. Original Contributions
  6. Effect of Cr and Ni on the microstructural evolution in Co–Re–Cr–Ni alloys
  7. Review
  8. Dynamic mechanical behavior of magnesium alloys: a review
  9. Original Contributions
  10. Composition dependence of the glass-forming ability and soft magnetic properties of Fe-rich Fe–Nb–B ternary alloys
  11. Deposition temperature dependence on the bonding structure and mechanical properties of laser ablated boron-carbonitride thin films
  12. Preparation of high-performance soft magnetic Fe-0.8% P alloy by powder metallurgy
  13. Preparations of superhydrophobic surfaces using the one-step spin coating method and characterizations of their anti-icing behavior
  14. Atomistic study of fracture behavior of metallic glass fiber reinforced metal-matrix nanocomposite during bending creep deformation process
  15. Development and characterization of eutectic Sn-Zn, Sn-Ag, Sn-Bi and Sn-Cu solder alloys
  16. Effect of current density and deposition time on the corrosion and wear resistance of Ni–W alloy coatings
  17. Short Communications
  18. Synthesis and characterization of layered perovskite cathode materials for SOFC application
  19. People
  20. Professor Elazar Gutmanas (28.10.1939 – 26.10.2019)
  21. DGM News
  22. DGM News
https://doi.org/10.3139/146.111847
Schlagwörter für diesen Artikel
Solid oxide fuel cells; Electrical conductivity; Cathode material; Double-layered perovskite; Glycine-nitrate method

Artikel in diesem Heft

  1. Contents
  2. Contents
  3. Editorial
  4. Editorial
  5. Original Contributions
  6. Effect of Cr and Ni on the microstructural evolution in Co–Re–Cr–Ni alloys
  7. Review
  8. Dynamic mechanical behavior of magnesium alloys: a review
  9. Original Contributions
  10. Composition dependence of the glass-forming ability and soft magnetic properties of Fe-rich Fe–Nb–B ternary alloys
  11. Deposition temperature dependence on the bonding structure and mechanical properties of laser ablated boron-carbonitride thin films
  12. Preparation of high-performance soft magnetic Fe-0.8% P alloy by powder metallurgy
  13. Preparations of superhydrophobic surfaces using the one-step spin coating method and characterizations of their anti-icing behavior
  14. Atomistic study of fracture behavior of metallic glass fiber reinforced metal-matrix nanocomposite during bending creep deformation process
  15. Development and characterization of eutectic Sn-Zn, Sn-Ag, Sn-Bi and Sn-Cu solder alloys
  16. Effect of current density and deposition time on the corrosion and wear resistance of Ni–W alloy coatings
  17. Short Communications
  18. Synthesis and characterization of layered perovskite cathode materials for SOFC application
  19. People
  20. Professor Elazar Gutmanas (28.10.1939 – 26.10.2019)
  21. DGM News
  22. DGM News
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