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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Traulsen, Marie Lund
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2019Combining Transition Metals – An Approach towards High-Performing Coking Tolerant Solid Oxide Fuel Cell Anodescitations
- 2019Testing Novel Nickel and Cobalt Infiltrated STN Anodes for Carbon Tolerance using In Situ Raman Spectroscopy and Electrochemical Impedance Spectroscopy in Fuel Cellscitations
- 2017Dynamic and Impure Perovskite Structured Metal Oxide Surfacescitations
- 2015Polarization Induced Changes in LSM Thin Film Electrode Composition Observed by In Operando Raman Spectroscopy and TOF-SIMS
- 2015Need for In Operando Characterization of Electrochemical Interface Features
- 2012Electrochemical reduction of NO<sub>x</sub>
Places of action
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article
Combining Transition Metals – An Approach towards High-Performing Coking Tolerant Solid Oxide Fuel Cell Anodes
Abstract
Bimetallic combinations of the three transition metals, Ni, Co, and Fe, were infiltrated alongside gadolinium doped ceria (CGO), into a strontium titanate backbone. The infiltrated cells were analyzed using electrochemical impedance spectroscopy in the temperature range 650°-850°C and in the atmospheres: 4% H2O/H2, 50% H2O/H2, 80% H2O/H2, and 50% CO2/CO. In addition, in situ synchronous Raman spectroscopy and EIS experiments were performed to explore the coking tolerance of the bimetallic infiltrations. The electrocatalytic activity of the bimetals were similar to the single metals with electrode area specific resistances 0.35 Ωcm2, 0.28 Ωcm2, and 1.32 of Ωcm2 for the Co-Fe-CGO, Ni-Co-CGO, and Ni-Fe-CGO infiltrated cells, respectively, at 750oC in 50% H2O/H2. The results obtained from the synchronous in situ Raman - EIS experiments further indicates an improved coking resistance for combined transition metal infiltrations.