guest ::
| Home > Publications database > Innenbeschichtung poröser Körper mittels Atomlagenabscheidung zur Redoxstabilisierung anodengestützter Festoxidbrennstoffzellen > print |
| Home > Publications database > Innenbeschichtung poröser Körper mittels Atomlagenabscheidung zur Redoxstabilisierung anodengestützter Festoxidbrennstoffzellen > print |
| 001 | 202881 | ||
| 005 | 20240711085700.0 | ||
| 020 | _ | _ | |a 978-3-95806-069-2 |
| 024 | 7 | _ | |2 Handle |a 2128/9033 |
| 024 | 7 | _ | |2 ISSN |a 1866-1793 |
| 037 | _ | _ | |a FZJ-2015-05029 |
| 100 | 1 | _ | |0 P:(DE-Juel1)136662 |a Keuter, Thomas |b 0 |e Corresponding author |g male |u fzj |
| 245 | _ | _ | |a Innenbeschichtung poröser Körper mittels Atomlagenabscheidung zur Redoxstabilisierung anodengestützter Festoxidbrennstoffzellen |f 2015-06-30 |
| 260 | _ | _ | |a Jülich |b Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag |c 2015 |
| 300 | _ | _ | |a XII, 133 S. |
| 336 | 7 | _ | |0 PUB:(DE-HGF)11 |2 PUB:(DE-HGF) |a Dissertation / PhD Thesis |b phd |m phd |s 1439215381_17758 |
| 336 | 7 | _ | |0 PUB:(DE-HGF)3 |2 PUB:(DE-HGF) |a Book |m 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 | _ | |a Schriften des Forschungszentrums Jülich Reihe Energie & Umwelt / Energy & Environment |v 273 |
| 502 | _ | _ | |a Universität Bochum, Diss., 2015 |b Dr. |c Universität Bochum |d 2015 |
| 520 | _ | _ | |a Fuel cells convert directly the chemical energy of fuels into electrical energy with a high efficiency and are flexible in use due to their modular design. Anode-supported Solid Oxide Fuel Cells (SOFCs) consist of a nickel/8YSZ substrate (8YSZ ˆ= with 8 mol-% yttria stabilized zirconia), a nickel/8YSZ anode, an 8YSZ electrolyte, and a cathode. In case of reoxidation of the nickel in the substrate, the substrate expands in lateral direction and creates tensile stresses and cracks in the electrolyte, resulting in a decrease of the cell performance or a complete cell failure. The aim of this work is the stabilization of anode-supported SOFCs with respect to reoxidation by coating the inner surface of the porous substrate, using the process of atomic layer deposition (ALD). The deposited layer protects the nickel in the substrate against oxidation and prevents in this way a crack formation in the electrolyte and a cell failure. More generally, the inner surface coating of porous media using ALD is investigated experimentally and described theoretically by a model. Atomic layer deposition of zirconia using the precursors TEMAZ and O$_{2}$ was developed in the in-house ALD machine, because this process is not described in literature. In order to model atomic layer deposition, Knudsen diffusion and second-order surface reaction kinetics of the precursors were combined and the thickness of the deposited layer within the porous medium was predicted. The inner surface coating of Ni/8YSZ substrates was proven by a conformal coating of the grains and the ALD model was verified. The zirconia layer protected the coated parts of the substrate for at least 17 redox cycles. It was not possible to coat the entire inner surface of the substrate and consequently, reoxidation of the substrate led to cracks in the electrolyte. The zirconia layer did not influence the electrochemical performance of the SOFC leading to the conclusion that a complete coating of the substrate can solve the problem of reoxidation. Additionally, the combination of a thin electrolyte and a low operating temperature is promising, too. |
| 536 | _ | _ | |0 G:(DE-HGF)POF3-899 |a 899 - ohne Topic (POF3-899) |c POF3-899 |f POF III |x 0 |
| 536 | _ | _ | |0 G:(DE-Juel1)HITEC-20170406 |x 1 |c HITEC-20170406 |a HITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406) |
| 650 | _ | 7 | |x Diss. |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/202881/files/Energie_Umwelt_273.pdf |y OpenAccess |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/202881/files/Energie_Umwelt_273.gif?subformat=icon |x icon |y OpenAccess |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/202881/files/Energie_Umwelt_273.jpg?subformat=icon-1440 |x icon-1440 |y OpenAccess |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/202881/files/Energie_Umwelt_273.jpg?subformat=icon-180 |x icon-180 |y OpenAccess |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/202881/files/Energie_Umwelt_273.jpg?subformat=icon-640 |x icon-640 |y OpenAccess |
| 909 | C | O | |o oai:juser.fz-juelich.de:202881 |p openaire |p driver |p open_access |p VDB |p dnbdelivery |
| 910 | 1 | _ | |0 I:(DE-588b)5008462-8 |6 P:(DE-Juel1)136662 |a Forschungszentrum Jülich GmbH |b 0 |k FZJ |
| 913 | 1 | _ | |0 G:(DE-HGF)POF3-899 |1 G:(DE-HGF)POF3-890 |2 G:(DE-HGF)POF3-800 |a DE-HGF |b Programmungebundene Forschung |l ohne Programm |v ohne Topic |x 0 |4 G:(DE-HGF)POF |3 G:(DE-HGF)POF3 |
| 914 | 1 | _ | |y 2015 |
| 915 | _ | _ | |0 StatID:(DE-HGF)0510 |2 StatID |a OpenAccess |
| 920 | _ | _ | |l yes |
| 920 | 1 | _ | |0 I:(DE-Juel1)IEK-1-20101013 |k IEK-1 |l Werkstoffsynthese und Herstellungsverfahren |x 0 |
| 980 | 1 | _ | |a FullTexts |
| 980 | _ | _ | |a phd |
| 980 | _ | _ | |a VDB |
| 980 | _ | _ | |a UNRESTRICTED |
| 980 | _ | _ | |a book |
| 980 | _ | _ | |a I:(DE-Juel1)IEK-1-20101013 |
| 980 | _ | _ | |a FullTexts |
| 981 | _ | _ | |a I:(DE-Juel1)IMD-2-20101013 |
| Library | Collection | CLSMajor | CLSMinor | Language | Author |
|---|