Zobrazeno 1 - 10
of 133
pro vyhledávání: '"Ragnar Kiebach"'
Autor:
Lev Martinez Aguilera, Stéven Pirou, Peyman Khajavi, Julio García-Fayos, Jose Manuel Serra, Henrik Lund Frandsen, Peter Vang Hendriksen, Andreas Kaiser, Ragnar Kiebach, Astri Bjørnetun Haugen
Publikováno v:
Open Ceramics, Vol 11, Iss , Pp 100292- (2022)
Oxygen transport membranes have the potential to deliver pure and cheap oxygen to chemical reactors, combustors, gasifiers etc., given that geometry, microstructure and material properties are optimized. This work demonstrates the first successful pr
Externí odkaz:
https://doaj.org/article/6c69fefc9be7463cafd4a868071f0a09
Publikováno v:
Ceramics International. 48:32740-32747
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5332bfdad64256b7ec32c487721a332
https://doi.org/10.1016/j.ceramint.2022.07.173
https://doi.org/10.1016/j.ceramint.2022.07.173
Publikováno v:
Journal of Materials Science & Technology. 121:174-180
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3e38dd76787156bbe271c2719c5740a
https://doi.org/10.1016/j.jmst.2022.01.009
https://doi.org/10.1016/j.jmst.2022.01.009
Autor:
Lev Martinez Aguilera, Maria Puig-Arnavat, Simona Ovtar, Jonas Gurauskis, Jesper Ahrenfeldt, Ulrik Birk Henriksen, Peter Vang Hendriksen, Ragnar Kiebach, Astri Bjørnetun Haugen
Publikováno v:
Aguilera, L M, Puig-Arnavat, M, Ovtar, S, Gurauskis, J, Ahrenfeldt, J, Henriksen, U B, Hendriksen, P V, Kiebach, R & Haugen, A B 2023, ' Partial oxidation of biomass gasification tar with oxygen transport membranes ', Journal of Membrane Science, vol. 681, 121769 . https://doi.org/10.1016/j.memsci.2023.121769
Dual phase oxygen transport membranes were directly integrated into the producer gas stream of a low temperature circulating fluidized bed (LT-CFB) gasifier for partial oxidation of tar. Ce0.9Gd0.1O1.95–La0.6Sr0.4FeO3-d composite membranes were pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34dadea7644b8e8b6b05e6eea120a59a
https://doi.org/10.1016/j.memsci.2023.121769
https://doi.org/10.1016/j.memsci.2023.121769
Publikováno v:
20699-20711
Ceramics International
Farzin, Y A, Ritucci, I, Talic, B, Kiebach, R & Frandsen, H L 2022, ' Fracture toughness of reactive bonded Co–Mn and Cu–Mn contact layers after long-term aging ', Ceramics International, vol. 48, no. 14, pp. 20699-20711 . https://doi.org/10.1016/j.ceramint.2022.04.050
Ceramics International
Farzin, Y A, Ritucci, I, Talic, B, Kiebach, R & Frandsen, H L 2022, ' Fracture toughness of reactive bonded Co–Mn and Cu–Mn contact layers after long-term aging ', Ceramics International, vol. 48, no. 14, pp. 20699-20711 . https://doi.org/10.1016/j.ceramint.2022.04.050
Creating a tough bond for the electrical contact between metallic interconnects and ceramic solid oxide cells (SOC) in a stack is challenging due to restrictions on the assembly temperature. The reactive oxidation bonding in the formation of Co2MnO4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67c020ca9a0250a42d70e158bbaa50b6
https://hdl.handle.net/11250/3010371
https://hdl.handle.net/11250/3010371
Autor:
Qiang Hu, Stéven Pirou, Kurt Engelbrecht, Ralf Kriegel, Ute Pippardt, Lutz Kiesel, Qinglei Sun, Ragnar Kiebach
Publikováno v:
Hu, Q, Pirou, S, Engelbrecht, K, Kriegel, R, Pippardt, U, Kiesel, L, Sun, Q & Kiebach, R 2022, ' Testing of high performance asymmetric tubular BSCF membranes under pressurized operation – A proof-of-concept study on a 7 tube module ', Journal of Membrane Science, vol. 644, 120176 . https://doi.org/10.1016/j.memsci.2021.120176
Oxygen transport membranes are a possible low-cost alternative to cryogenic air separation units or pressure swing adsorption for oxygen production, and could facilitate carbon capture by oxy-fuel combustion processes. In this work, a proof-of-concep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a801d0bed2feed12dbd2b470ab2919f
https://orbit.dtu.dk/en/publications/ae81e756-f8f8-42e9-91eb-5c38bba0d14f
https://orbit.dtu.dk/en/publications/ae81e756-f8f8-42e9-91eb-5c38bba0d14f
Autor:
Stéven Pirou, Qingjie Wang, Peyman Khajavi, Xanthi Georgolamprou, Sandrine Ricote, Ming Chen, Ragnar Kiebach
Publikováno v:
Pirou, S, Wang, Q, Khajavi, P, Georgolamprour, X, Ricote, S, Chen, M & Kiebach, R 2022, ' Planar proton-conducting ceramic cells for hydrogen extraction : Mechanical properties, electrochemical performance and up-scaling ', International Journal of Hydrogen Energy, vol. 47, no. 10, pp. 6745-6754 . https://doi.org/10.1016/j.ijhydene.2021.12.041
Proton-conducting ceramics, which selectively separate H2 from any hydrogen-containing gas could play a role in the future of the growing hydrogen market. In recent years, membrane technologies related to H2 extraction became attractive solutions to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::925f7ff94af58e112fe62b68ded55655
https://orbit.dtu.dk/en/publications/a8ee1f57-7bfd-4f51-a9e5-79f76225e27c
https://orbit.dtu.dk/en/publications/a8ee1f57-7bfd-4f51-a9e5-79f76225e27c
Autor:
Ragnar Kiebach, Stéven Pirou, Lev Martinez Aguilera, Astri Bjørnetun Haugen, Andreas Kaiser, Peter Vang Hendriksen, María Balaguer, Julio García-Fayos, José Manuel Serra, Falk Schulze-Küppers, Max Christie, Liudmila Fischer, Wilhelm Albert Meulenberg, Stefan Baumann
Publikováno v:
Journal of Materials Chemistry A, 10(5), 2152-2195. Royal Society of Chemistry
Journal of materials chemistry / A 10(5), 2152-2195 (2022). doi:10.1039/D1TA07898D
Kiebach, R, Pirou, S, Martinez Aguilera, L, Haugen, A B, Kaiser, A, Hendriksen, P V, Balaguer, M, García-Fayos, J, Serra, J M, Schulze-Küppers, F, Christie, M, Fischer, L, Meulenberg, W A & Baumann, S 2022, ' A review on dual-phase oxygen transport membranes : from fundamentals to commercial deployment ', Journal of Materials Chemistry A, vol. 10, no. 5, pp. 2152-2195 . https://doi.org/10.1039/D1TA07898D
Journal of materials chemistry / A 10(5), 2152-2195 (2022). doi:10.1039/D1TA07898D
Kiebach, R, Pirou, S, Martinez Aguilera, L, Haugen, A B, Kaiser, A, Hendriksen, P V, Balaguer, M, García-Fayos, J, Serra, J M, Schulze-Küppers, F, Christie, M, Fischer, L, Meulenberg, W A & Baumann, S 2022, ' A review on dual-phase oxygen transport membranes : from fundamentals to commercial deployment ', Journal of Materials Chemistry A, vol. 10, no. 5, pp. 2152-2195 . https://doi.org/10.1039/D1TA07898D
Oxygen transport membranes (OTMs) are a promising alternative to cryogenic air separation (ASU) or pressure swing adsorption (PSA) for oxygen production. Using these ceramic membranes allows producing high purity oxygen on various scales in a continu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d54eb48f87a4ef6b79f26043b761645
https://zenodo.org/record/7543988
https://zenodo.org/record/7543988
Autor:
Peter Vang Hendriksen, Ragnar Kiebach, Ilaria Ritucci, Belma Talic, Henrik Lund Frandsen, Peyman Khajavi
Publikováno v:
Frandsen, H L, Ritucci, I, Khajavi, P, Talic, B, Kiebach, R & Hendriksen, P V 2019, ' Enhancing the Robustness of Brittle Solid Oxide Cell Stack Components ', E C S Transactions, vol. 91, no. 1, pp. 2201-2211 . https://doi.org/10.1149/09101.2201ecst
ECS Transactions
ECS Transactions
For long-term durability and robustness to withstand thermal cycles, the planar solid oxide cell (SOC) stack technologies are challenged by the use of brittle components. With the current trend of increasing the footprint of the SOC stacks, even larg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7119870ae53fa0f75b0f82dd3f2d7934
https://doi.org/10.1149/09101.2201ecst
https://doi.org/10.1149/09101.2201ecst