Layered perovskite oxides have ordered A-cations localizing oxygen vacancies, and may potentially improve oxygen ion diffusivity and surface exchange coefficient. The A-site-ordered layered perovskite PrBa 0.5 Sr 0.5 Co 2 O 5+ı (PBSC) was evaluated as new cathode material for intermediate temperatur
Layered Bi4BaxV2–xO11–(3x/2)–δ perovskite oxide as solid electrolyte for intermediate temperature solid oxide fuel cells
✍ Scribed by Saba Beg; Shehla Hafeez; Niyazi A.S. Al-Areqi
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 523 KB
- Volume
- 405
- Category
- Article
- ISSN
- 0921-4526
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A novel layered perovskite oxide PrBaCuCoO 5+ı (PBCCO) is employed as a potential cathode for intermediate-temperature solid oxide fuel cells (IT-SOFCs). Thermal expansion and electrochemical performance on samarium-doped ceria (SDC) electrolyte are evaluated. The thermal expansion coefficient (TEC)
The La 1.95 Ca 0.05 Ce 2 O 7-ı (LCCO) material is successfully synthesized using the Pechini method. The synthesized powders are exposed to atmospheric CO 2 and H 2 with 3% H 2 O at 700 • C. The treated LCCO powders are investigated using X-ray diffraction (XRD) to study the chemical stability. Acco