001     9148
005     20240711092245.0
020 _ _ |a 978-3-89336-643-9
024 7 _ |2 ISSN
|a 1866-1793
024 7 _ |2 Handle
|a 2128/3814
024 7 _ |2 ISBN
|a 978-3-89336-643-9
037 _ _ |a PreJuSER-9148
041 _ _ |a German
041 _ _ |a German
082 _ _ |a 500
082 _ _ |a 333.7
082 _ _ |a 620
100 1 _ |0 P:(DE-Juel1)VDB76616
|a Möbius, Sigrid Annett
|b 0
|e Corresponding author
|g female
|u FZJ
245 _ _ |a Charakterisierung perowskitischer Hochtemperaturmembranen zur Sauerstoffbereitstellung für fossil gefeuerte Kraftwerksprozesse
260 _ _ |a Jülich
|b Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag
|c 2010
300 _ _ |a III, 208 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
336 7 _ |0 2
|2 EndNote
|a Thesis
336 7 _ |2 DRIVER
|a doctoralThesis
336 7 _ |2 BibTeX
|a PHDTHESIS
336 7 _ |2 DataCite
|a Output Types/Dissertation
336 7 _ |2 ORCID
|a DISSERTATION
490 0 _ |0 PERI:(DE-600)2445288-9
|a Schriften des Forschungszentrums Jülich : Energie & Umwelt / Energy & Environment
|v 74
|x 1866-1793
500 _ _ |a Record converted from JUWEL: 18.07.2013
500 _ _ |a Record converted from VDB: 12.11.2012
502 _ _ |a RWTH Aachen, Diss., 2010
|b Dr.
|c RWTH Aachen
|d 2010
520 _ _ |a In this thesis thermochemical properties of mixed conducting perovskite-type materials were investigated. Those materials are assumed to be applicable as gas separation membranes in the oxyfuel process. Here, the materials are aimed to produce the required oxygen for the combustion more energy-efficient than using cryogenic air separation. High-temperature materials which are applicable for this purpose must be gastight and should exhibit a high oxygen permeation rate and a preferably low thermal expansion coefficient. Moreover, the materials need to be long-term stable under power plant relevant conditions. The aim of this work is a better understanding of the material behaviour. Furthermore, on the basis of the results it should be possible to draw conclusions concerning the suitability of the material for application in oxyfuel power plant processes. Therefor, the influence of the chemical composition (doping elements and stoichiometry) of the perovskites, the temperature and the oxygen content in the ambient atmosphere on the thermochemical properties are studied systematically. In the framework of this thesis it could be stated that the thermochemical behaviour of prospective membrane materials strongly depends on the above mentioned parameters. In addition, the degradation behaviour (thermochemical stability) of the materials was investigated. The degradation behaviour influences the suitability of the material to be used in oxyfuel power plant processes. Here, the influence of the chemical composition of the perovskites, the temperature and the CO$_{2}$-concentration in dry and humid atmospheres was also studied. On the basis of the results it could be stated that the thermochemical stability strongly depends on the surrounding atmosphere and on the chemical composition of the perovskites.
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|a Rationelle Energieumwandlung
|c P12
|x 0
655 _ 7 |a Hochschulschrift
|x Dissertation (Univ.)
856 4 _ |u https://juser.fz-juelich.de/record/9148/files/Energie%26Umwelt_74.pdf
|y OpenAccess
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913 1 _ |0 G:(DE-Juel1)FUEK402
|b Energie
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|x 0
914 1 _ |y 2010
915 _ _ |0 StatID:(DE-HGF)0510
|2 StatID
|a OpenAccess
920 1 _ |0 I:(DE-Juel1)VDB810
|d 30.09.2010
|g IEF
|k IEF-2
|l Werkstoffstruktur und Eigenschaften
|x 0
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