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| 001 | 19316 | ||
| 005 | 20240711085638.0 | ||
| 020 | _ | _ | |a 978-3-89336-765-8 |
| 024 | 7 | _ | |2 ISSN |a 1866-1793 |
| 024 | 7 | _ | |2 Handle |a 2128/4549 |
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| 100 | 1 | _ | |0 P:(DE-Juel1)VDB75535 |a Xing, Ye |b 0 |e Corresponding author |u FZJ |
| 245 | _ | _ | |a Development of Thin Film Oxygen Transport Membranes on Metallic Supports |
| 260 | _ | _ | |a Jülich |b Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag |c 2011 |
| 300 | _ | _ | |a IV, 117 S. |
| 336 | 7 | _ | |0 PUB:(DE-HGF)11 |2 PUB:(DE-HGF) |a Dissertation / PhD Thesis |
| 336 | 7 | _ | |0 PUB:(DE-HGF)3 |2 PUB:(DE-HGF) |a Book |
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| 490 | 0 | _ | |0 PERI:(DE-600)2445288-9 |a Schriften des Forschungszentrums Jülich : Energie & Umwelt / Energy & Environment |v 130 |x 1866-1793 |
| 500 | _ | _ | |3 POF3_Assignment on 2016-02-29 |
| 500 | _ | _ | |a Record converted from JUWEL: 18.07.2013 |
| 500 | _ | _ | |a Record converted from VDB: 12.11.2012 |
| 502 | _ | _ | |a Ruhr-Universität Bochum, Diss., 2011 |b Dr. (Univ.) |c Ruhr-Universität Bochum |d 2011 |
| 520 | _ | _ | |a Asymmetric membrane structure has an attractive potential in the application of O$_{2}$/N$_{2}$ gas separation membrane for the future membrane-based fossil fuel power plant using oxyfuel technology, which will reduce the carbon dioxide emission. The aim of this study is the development of a metal supported multi-layer membrane structure with a thin film top membrane layer and porous ceramic interlayers. Four perovskite materials were studied as candidate membrane materials. Material properties of these perovskite materials were investigated and compared. La$_{0.58}$Sr$_{0.4}$Co$_{0.2}$Fe$_{0.8}$O$_{3-\delta}$ (LSCF58428) showed sufficient oxygen permeability, an acceptable thermal expansion coefficient and a moderate sintering temperature. Alternatively, Ba$_{0.5}$Sr$_{0.5}$Co$_{0.8}$Fe$_{0.2}$O$_{3-\delta}$ (BSCF5582) is considered obtaining very high oxygen permeability but a higher thermal expansion and a lower thermal stability than LSCF58428. Four different Ni-based alloys were studied as candidate substrate materials in the asymmetric membrane structure. The chromia-scale alloys (Hastelloy X, Inconel 600 and Haynes 214) caused Cr poisoning of the membrane layer material LSCF58428 during high-temperature co-firing in air. NiCoCrAlY with a high Al content (12.7 wt%) was found to be the most promising substrate material. It showed a good chemical compatibility with perovskite materials at high temperatures. In order to bridge the highly porous substrate and the thin top membrane layer interlayers were developed. Two interlayers were coated by screen printing on the porous NiCoCrAlY substrate which was sintered at 1225°C in flowing H2 atmosphere. Screen printing pastes were optimized by investigating various solvent and binder combinations and various ceramic powder contents. The first interlayer significantly improved the surface quality and the surface pore size has been reduced from 30-50$\mu$m on the substrate to few $\mu$m on the first interlayer, though it comprised some cracks. The second interlayer had a crack-free and porous structure. The top membrane layer was deposited by physical vapor deposition (magnetron sputtering) with a thickness of 3.8 $\mu$m improving the gastightness considerably but showing still reasonable air-leakage. Summarizing, the successful development of a metal-perovskite-composite could be shown, which acts as a basis for a further development of a gas-tight metal supported oxygen transport asymmetric membrane structure. |
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| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/19316/files/Energie%26Umwelt_130.pdf |y OpenAccess |
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