Zobrazeno 1 - 10 of 66 pro vyhledávání: '"Asif Ansar"'
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Akademický článek
Palladium Membrane with High Density of Large-Angle Grain Boundaries to Promote Hydrogen Diffusivity
Autor: Efi Hadjixenophontos, Masoud Mahmoudizadeh, Michael Rubin, Dirk Ullmer, Fatemeh Razmjooei, Alexander C. Hanf, Jan Brien, Roland Dittmeyer, Asif Ansar
Publikováno v: Membranes, Vol 12, Iss 6, p 617 (2022)
A higher density of large-angle grain boundaries in palladium membranes promotes hydrogen diffusion whereas small-angle grain boundaries suppress it. In this paper, the microstructure formation in 10 µm thick palladium membranes is tuned to achieve
Externí odkaz: https://doaj.org/article/e50485391ffa4f3a94b4ddaae3682200
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2
Operating Strategies for Fischer-Tropsch Tail Gas Recirculation on a 100 kW SOEC Reactor
Autor: Diana Maria Amaya Dueñas, Dirk Ullmer, Marc Riedel, Marius Tomberg, Daniele Fortunati, Marc P. Heddrich, S. Asif Ansar
Publikováno v: ECS Transactions. 111:1941-1946
The emulated coupling of a 100 kW SOC reactor with an emulated tail gas recirculation of a Fischer-Tropsch reactor was investigated. Different syngas ratios (H2/CO) were studied, not only experimentally but also with the support of the in-house simul
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a85fc3755b3615a2b211ecebebc3ae7
https://doi.org/10.1149/11106.1941ecst
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3
Transient Solid Oxide Cell Reactor Model Used in rSOC Mode-Switching Analysis and Power Split Control of an SOFC-Battery Hybrid
Autor: Santiago Salas Ventura, Matthias Metten, Marius Tomberg, Dirk Ullmer, Cem Ünlübayir, Marc P. Heddrich, S. Asif Ansar
Publikováno v: ECS Transactions. 111:1795-1801
Defossilization of the global energy system requires a transition towards intermittent renewable energy sources and approaches that enable efficient conversion of primary energy sources into electrical energy. Due to their high efficiency in converti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9c6e59465bce17ad1fb28539cca30f6
https://doi.org/10.1149/11106.1795ecst
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4
Improving plasma sprayed Raney-type nickel–molybdenum electrodes towards high-performance hydrogen evolution in alkaline medium
Autor: Fatemeh, Razmjooei, Taikai, Liu, Daniela Aguiar, Azevedo, Efi, Hadjixenophontos, Regine, Reissner, Günter, Schiller, Syed Asif, Ansar, Kaspar Andreas, Friedrich
Publikováno v: Scientific Reports, Vol 10, Iss 1, Pp 1-13 (2020)
Scientific Reports
Rationally designed free-standing and binder-free Raney-type nickel–molybdenum (Ni–Mo) electrodes produced via atmospheric plasma spraying (APS) are developed by correlating APS process parameters with the microstructure of electrodes and their e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::12a8e62d6b1a838ac1a214b6708df5b2
http://link.springer.com/article/10.1038/s41598-020-67954-y
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7
In Situ Electrochemical Activation of a Codoped Heterogeneous System as a Highly Efficient Catalyst for the Oxygen Evolution Reaction in Alkaline Water Electrolysis
Autor: Tao Jiang, Xingchen Yan, G. Montavon, Regine Reisser, Fatemeh Razmjooei, Syed-asif Ansar, Chaoyue Chen, Hanlin Liao, Xiujuan Fan
Publikováno v: ACS Applied Energy Materials. 2:8809-8817
Highly active electrocatalysts for oxygen evolution reaction (OER) hold a key to water-splitting, particularly in the development of cost-effective and highly efficient oxygen evolution electrodes (OEE) with prolonged stability to meet industrial req
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d29ef501b2274788ebc365f46ce376b2
https://doi.org/10.1021/acsaem.9b01807
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8
Transient Operation Strategies for MW-Scale SOC Systems
Autor: Marc Heddrich, Asif Ansar, Srikanth Santhanam, Aiswarya Krishnakumar Padinjarethil, Marius Tomberg
Publikováno v: ECS Transactions. 91:2571-2578
High temperature reversible Solid Oxide cell (rSOC) systems can operate efficiently in both fuel cell and electrolysis mode for energy storage and sector coupling. They are expected to attain MW an ...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95374aec78e91d4677bc11b1ee70b0e4
https://doi.org/10.1149/09101.2571ecst
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9
Highly Active Binder Free Plasma Sprayed Non-Noble Metal Electrodes for Anion Exchange Membrane Electrolysis at Different Reduced KOH Concentrations
Autor: Asif Ansar, Regine Reißner, Fatemeh Razmjooei, Aldo Saul Gago
Publikováno v: ECS Transactions. 92:689-702
The production of hydrogen by the water electrolysis technique to provide a fossil fuel alternative energy source has attracted a plethora of attention among the other different methods in the context of sustainability, renewable energy source utiliz
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6c72736c2684df48795ae0ad18d55e7
https://doi.org/10.1149/09208.0689ecst
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