Výsledky vyhledávání - "Wolff-Ragnar Kiebach"

SOFC stacks for mobile applications with excellent robustness towards thermal stresses

Autor: Ilaria Ritucci, Belma Talic, Henrik Lund Frandsen, Philippe Zielke, Peter Vang Hendriksen, Søren Holdt Jensen, Wolff-Ragnar Kiebach, Xiufu Sun, Anders Christian Wulff, Anke Hagen

Publikováno v: Hagen, A, Wulff, A C, Zielke, P, Sun, X, Talic, B, Ritucci, I, Frandsen, H L, Jensen, S H, Kiebach, W R & Hendriksen, P V 2020, ' SOFC stacks for mobile applications with excellent robustness towards thermal stresses ', International Journal of Hydrogen Energy, vol. 45, no. 53, pp. 29201-29211 . https://doi.org/10.1016/j.ijhydene.2020.07.159
Hagen, A, Wulff, A C, Zielke, P, Sun, X, Talic, B, Ritucci, I, Frandsen, H L, Jensen, S H, Kiebach, W-R & Hendriksen, P V 2020, ' SOFC stacks for mobile applications with excellent robustness towards thermal stresses ', International Journal of Hydrogen Energy, vol. 45, no. 53, pp. 29201-29211 . https://doi.org/10.1016/j.ijhydene.2020.07.159

Solid oxide fuel cells (SOFC) are attractive power units for mobile applications, like auxiliary power units or range extenders, due to high electrical efficiencies, avoidance of noble metals, fuel flexibility ranging from hydrogen to hydrogen carrie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32293365afc0a019c02db7152e9b3350
https://vbn.aau.dk/da/publications/50daa4d3-c5dd-4543-9e10-c229e00745c9

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Promotion of oxygen reduction and evolution by applying a nanoengineered hybrid catalyst on cobalt free electrodes for solid oxide cells

Autor: Peter Vang Hendriksen, Yu Xu, Xiaofeng Tong, Ming Chen, Wolff Ragnar Kiebach, Đorđije Tripković

Publikováno v: Tong, X, Xu, Y, Tripković, Đ, Hendriksen, P V, Kiebach, W R & Chen, M 2020, ' Promotion of oxygen reduction and evolution by applying a nanoengineered hybrid catalyst on cobalt free electrodes for solid oxide cells ', Journal of Materials Chemistry A, vol. 8, no. 18, pp. 9039-9048 . https://doi.org/10.1039/d0ta02979c

A key requirement for the widespread commercialization of solid oxide cell (SOC) technology is to develop cost-effective oxygen electrodes with sufficiently high electro-catalytic activity and durability at intermediate temperatures (600-750 °C). He

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https://orbit.dtu.dk/en/publications/339f941e-b16e-4a28-8a3c-c6ce0ddf7b48

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Infiltration of SOFC Stacks: Evaluation of the Electrochemical Performance Enhancement and the Underlying Changes in the Microstructure

Autor: Jens Valdemar Thorvald Høgh, Karl Tor Sune Thydén, Peter Vang Hendriksen, Philipp Zielke, Hsiang-Jen Wang, Wolff-Ragnar Kiebach, R. Barford

Publikováno v: Fuel Cells. 16:80-88

Experimental SOFC stacks with 10 SOFCs (LSM-YSZ/YSZ/Ni-YSZ) were infiltrated with CGO and Ni-CGO on the air and fuel side, respectively in an attempt to counter degradation and improve the output. The electrochemical performance of each cell was char

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5bb6ba5775f1bf416e4408bf31659d59
https://doi.org/10.1002/fuce.201500107

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Modeling of Ni Diffusion Induced Austenite Formation in Ferritic Stainless Steel Interconnects

Autor: Wolff-Ragnar Kiebach, Hossein Alimadadi, Na Ta, Yong Du, Peter Vang Hendriksen, Sebastian Molin, Ming Chen, Lijun Zhang

Publikováno v: Chen, M, Alimadadi, H, Molin, S, Zhang, L, Ta, N, Hendriksen, P V, Kiebach, W-R & Du, Y 2017, ' Modeling of Ni Diffusion Induced Austenite Formation in Ferritic Stainless Steel Interconnects ', Journal of The Electrochemical Society, vol. 164, no. 9, pp. F1005-F1010 . https://doi.org/10.1149/2.1711709jes
Aarhus University
Chen, M, Alimadadi, H, Molin, S, Zhang, L, Ta, N, Hendriksen, P V, Kiebach, R & Du, Y 2017, ' Modeling of Ni diffusion induced austenite formation in ferritic stainless steel interconnects ', Journal of The Electrochemical Society, vol. 164, no. 9, pp. F1005 .

Ferritic stainless steel interconnect plates are widely used in planar solid oxide fuel cell and electrolysis cell stacks. During stack production and operation, nickel from the Ni/yttria stabilized zirconia fuel electrode or from the Ni contact comp

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https://orbit.dtu.dk/en/publications/f51f6c8f-46db-45ff-af20-517014e2cd19

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Processing and characterization of multilayers for energy device fabrication (invited)

Autor: Andreas Kaiser, Wolff-Ragnar Kiebach, Jonas Gurauskis, Astri Bjørnetun Haugen, Severine Ramousse, Peter Vang Hendriksen

Publikováno v: Kaiser, A, Kiebach, W-R, Gurauskis, J, Bjørnetun Haugen, A, Ramousse, S & Hendriksen, P V 2016, ' Processing and characterization of multilayers for energy device fabrication (invited) ', 91st DKG Annual Meeting (2016), Freiberg, Germany, 07/03/2016-09/03/2016 .
Technical University of Denmark Orbit

The performance of asymmetric multilayer structures in solid oxide fuel cells (SOFC)/solid oxide electrolysis cells (SOEC), tubular oxygen transport membranes (OTM) and similar high temperature energy devices is often determined by the ceramic fabric

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https://orbit.dtu.dk/en/publications/12262239-7ac6-40ba-ad26-3b8609fc05a4

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Determination of redox-active centers in praseodymium doped ceria by in situ-XANES spectroscopy

Autor: Anke Hagen, Rebecka Maria Larsen Werchmeister, Wolff-Ragnar Kiebach, Christodoulos Chatzichristodoulou

Publikováno v: Chemical Physics Letters. 537:80-83

Praseodymium doped ceria, a material of interest for electrochemical flue gas purification, was investigated with in situ X-ray Absorption Near Edge Structure spectroscopy between room temperature and 500 °C in air and diluted nitrogen(II) oxide (NO

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https://doi.org/10.1016/j.cplett.2012.04.009

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Four New Thioantimonates(III) with the General Formula [TM(tren)]Sb4S7 (TM = Mn, Fe, Co, Zn) with the Transition Metal as Part of a Thioantimonate(III) Network Synthesized under Solvothermal Conditions and Tuning of the Optical Band Gap by the Transition Metal Cation

Autor: Christian Näther, Wolff‐Ragnar Kiebach, Ralph Stähler, Wolfgang Bensch, Michael Schaefer

Publikováno v: Zeitschrift f�r anorganische und allgemeine Chemie. 630:1816-1822

Four new thioantimonate(III) compounds with the general formula [TM(tren)]Sb4S7, TM = Mn 1, Fe 2, Co 3 and Zn 4, were synthesized under solvothermal conditions by reacting elemental TM, Sb and S in an aqueous solution of tren (tren = tris(2-aminoethy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2dd26c73c9e9e58df24496b54ae72b56
https://doi.org/10.1002/zaac.200400124

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Glass Composition for the use as a Sealant

Autor: Wolff-Ragnar Kiebach, Peter Vang Hendriksen

Publikováno v: Kiebach, W-R & Hendriksen, P V Apr. 03 2014, Glass Composition for the use as a Sealant, Patent No. WO2014049117, IPC No. C03C3/066, C03C3/093, C03C8/04, C03C8/24, H01M8/00 .
Technical University of Denmark Orbit

The invention concerns a glass composition for the use as a sealant, particularly in a solid oxide fuel cell (SOFC) or in a solid oxide electrolyser cell (SOEC). The glass composition comprises 35-70 mol% CaO, 5-45 mol% ZnO, 5-50 mol% B2O3, 1-45 mol%

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http://orbit.dtu.dk/en/publications/glass-composition-for-the-use-as-a-sealant(e8e6cbe8-53c7-4973-b876-8b110ffbd5cf).html

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Method of producing a joined product

Autor: Wolff-Ragnar Kiebach, Peter Vang Hendriksen

Publikováno v: Kiebach, W-R & Hendriksen, P V Apr. 03 2014, Method of producing a joined product, Patent No. WO2014049119 .
Technical University of Denmark Orbit

The present invention provides a method of producing a joined product by reactive joining a ceramic member to a further member using a joining material selected among glass and glass ceramic.

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https://orbit.dtu.dk/en/publications/172ac688-9faf-473a-97b9-f842f5389c2e

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in-Situ Formed Ce0.8Gd0.2O1.9 Barrier Layer on Yttria Stabilized Zirconia Back-Bone for Infiltrated Oxygen Electrodes

Autor: Simona Ovtar, Ming Chen, Anne Hauch, Wolff-Ragnar Kiebach

Publikováno v: ECS Meeting Abstracts. :3049-3049

Solid oxide cells (SOCs) would be economically more favorable with lower operating temperature. Currently the target temperature is between 550 °C and 750 °C. Such low operation temperatures would reduce thermally activated degradation phenomena an

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https://doi.org/10.1149/ma2016-02/40/3049

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