| People | Locations | Statistics |
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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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Sun, Xiufu
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2023Solid Oxide Electrochemical Cells for Nitrogen and Oxygen Production
- 2022Metal Supported Electrolysis Cellscitations
- 2021Ni migration in solid oxide cell electrodes:Review and revised hypothesiscitations
- 2021Ni migration in solid oxide cell electrodes: Review and revised hypothesiscitations
- 2021Ni migration in solid oxide cell electrodes: Review and revised hypothesiscitations
- 2020Co-electrolysis of steam and carbon dioxide in large area solid oxide cells based on infiltrated mesoporous oxygen electrodescitations
- 2020Metal Supported SOFCs for Mobile Applications using Hydrocarbon Fuelscitations
- 2020Review of Ni migration in SOC electrodes
- 2020Review of Ni migration in SOC electrodes
- 2019Comprehensive Hypotheses for Degradation Mechanisms in Ni-Stabilized Zirconia Electrodescitations
- 2019Comprehensive Hypotheses for Degradation Mechanisms in Ni-Stabilized Zirconia Electrodescitations
- 2019Internal reforming on Metal supported SOFCscitations
- 2018Diffusion rates of reactants and components in solid oxide cells
- 2017Investigation of a Spinel-forming Cu-Mn Foam as an Oxygen Electrode Contact Material in a Solid Oxide Cell Single Repeating Unitcitations
- 2014TOF-SIMS characterization of impurity enrichment and redistribution in solid oxide electrolysis cells during operationcitations
Places of action
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article
Investigation of a Spinel-forming Cu-Mn Foam as an Oxygen Electrode Contact Material in a Solid Oxide Cell Single Repeating Unit
Abstract
A critical issue in state-of-the-art solid oxide cell stacks is thecontacting of the oxygen electrode. The commonly used ceramic contactlayers are applied in a green state and cannot be sintered properly, dueto compliance limitations arising from other stack components likesealing glasses and steels. The consequence is a low layer and interfacestrength. A metallic copper manganese foam, which is oxidized underoperation conditions into a conductive Cu<sub>1+x</sub>Mn<sub>2–x</sub>O<sub>4</sub>spinel, is presented in this work as a viable contact solution. Thefoam has been electrochemically tested in a single repeating unit setupfor 350 hours of constant operation, followed by dynamic conditions withthermal cycles. After operation, a micro structural analysis usingscanning electron microscopy, energy dispersive X-ray spectroscopy andX-ray diffraction was carried out. It was confirmed that afteroxidation/operation the manganese solely formed a CuMn-spinel phase,mixed with a CuO phase. A separate Mn-oxide phase was not found. Theconductivity and contacting of the foam was sufficient for > 350 h ofSOFC operation. With an initial serial resistance comparable to singlecell tests using gold foil as contact material and moderate degradationrates, the CuMn foam presented itself as an interesting cathode contactsolution.