Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Lana-Simone Unger"'
1
Influence of B-site doping with Ti and Nb on microstructure and phase constitution of (Ba0.5Sr0.5)(Co0.8Fe0.2)O3−δ
Autor: Lana-Simone Unger, Matthias Meffert, Heike Störmer, Ellen Ivers-Tiffée, Stefan Wagner, Dagmar Gerthsen, Virginia Weber
Publikováno v: Journal of Materials Science. 55:947-966
(Ba0.5Sr0.5)(Co0.8Fe0.2)O3−δ (BSCF) with mixed ionic and electronic conductivity is promising as oxygen separation membrane. However, its exceptional oxygen permeability is linked to the cubic perovskite phase, which destabilizes below 825 °C. Th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9fdf59aed35e8f2a2df0aed70e951d0
https://doi.org/10.1007/s10853-019-04102-6
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3
Yttrium doping of Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3-δ part I: Influence on oxygen permeation, electrical properties, reductive stability, and lattice parameters
Autor: Christian Niedrig, Stefan Baumann, Stefan Wagner, Ellen Ivers-Tiffée, Wolfgang Menesklou, Lana-Simone Unger, Wilhelm A. Meulenberg
Publikováno v: Journal of the European Ceramic Society. 38:2378-2387
Ba0.5Sr0.5Co0.8Fe0.2O3-δ (BSCF) exhibits a very high oxygen permeability in its cubic perovskite phase, making it a promising candidate for high-temperature energy-related applications such as oxygen-transport membranes. It suffers, however, from a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7dbcb7101f9734f63002b48219bffe94
https://doi.org/10.1016/j.jeurceramsoc.2017.12.045
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4
The impact of grain size, A/B-cation ratio, and Y-doping on secondary phase formation in (Ba0.5Sr0.5)(Co0.8Fe0.2)O3−δ
Autor: Lukas Grünewald, Dagmar Gerthsen, Stefan Wagner, Matthias Meffert, Heike Störmer, Lana-Simone Unger, Ellen Ivers-Tiffée
Publikováno v: Journal of Materials Science. 52:2705-2719
The application of mixed ionic–electronic conducting (Ba0.5Sr0.5)(Co0.8Fe0.2)O3−δ (BSCF) as gas separation membrane is up to now hampered by secondary phase formation which impairs the excellent oxygen permeation properties of this material. In
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3679e68fc3e7139d3aee8f41cc094b81
https://doi.org/10.1007/s10853-016-0562-8
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5
Influence of a La0.6Sr0.4CoO3-δ Functional Layer on (Ba0.5Sr0.5)(Co0.8Fe0.2)O3-δ Oxygen Transport Membranes (OTMs)
Autor: Dagmar Gerthsen, Wolfgang Menesklou, Ellen Ivers-Tiffée, Lana-Simone Unger, Heike Störmer, Christian Niedrig, Stefan Wagner, Virginia Wilde, Matthias Meffert
Publikováno v: ECS Transactions. 72:37-45
The performance of electroceramic high temperature oxygen-transport membranes (OTM) is deter­mined by ionic and electronic transport processes. Oxygen transport kinetics is determined by the transport parameters, namely the surface exchange coeffici
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a6d6b9ee132408a640c5c0a98d9d4b6
https://doi.org/10.1149/07207.0037ecst
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7
(Invited) The Effect of Dopants on the Stabilization of the Cubic BSCF Phase in O2- and CO2-Containing Atmospheres
Autor: Dagmar Gerthsen, Matthias Meffert, Heike Störmer, Virginia Wilde, Laura Almar, Fabian Sigloch, Lana-Simone Unger, Stefan F. Wagner, Ellen Ivers-Tiffée
Publikováno v: ECS Meeting Abstracts. :1580-1580
The cubic perovskite-type (Ba0.5Sr0.5)(Co0.8Fe0.2)O3-δ (c-BSCF) is a material with mixed electronic-ionic conductivity and extraordinary high oxygen permeability which makes c-BSCF interesting for applications such as, e.g., oxygen separation membra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a2b67a55916d96e08c737602f4e97cc
https://doi.org/10.1149/ma2017-01/33/1580
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