Effect of microstructure on oxygen permeation in SrCo0.8Fe0.2O3−δ
✍ Scribed by K. Zhang; Y. L. Yang; D. Ponnusamy; A. J. Jacobson; K. Salama
- Book ID
- 111534839
- Publisher
- Springer
- Year
- 1999
- Tongue
- English
- Weight
- 482 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0022-2461
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Measurements of oxygen flux, in the temperature range, 770~870°C on planar membranes of SrCo,,Fe,,,O,\_,, consisting of a dense discs -0.1 cm thick modified by coating with porous layers on both sides, yielded an enhancement in the oxygen flux, 77 = 2, compared to the uncoated membrane. When only on
Oxygen permeation measurements were made on dense discs of SrCo,,,Fe,,,O,\_, as a function of pressure gradient, 0.01 to 1 atm, temperature, 775 to 870°C and disc thickness, 1 to 2.6 mm. Two different measuring configurations were used: with the pressure gradient applied parallel to the disc axis an
## Abstract The powders of SrCo~0.8~Fe~0.2~O~3‐δ~ (SCF) and SCF doped with a different amount of Ag cation are synthesized by a solid‐state reaction method and the corresponding membranes are prepared. XRD results show that the doped Ag promotes the formation of a perovskite structure. The dissolut