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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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Farzin, Yousef Alizad
Karlsruhe Institute of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2023Perovskite/Ruddlesden-Popper composite fuel electrode of strontium-praseodymium-manganese oxide for solid oxide cells: An alternative candidatecitations
- 2022Development of an SFMM/CGO composite electrode with stable electrochemical performance at different oxygen partial pressurescitations
- 2022Development of an SFMM/CGO composite electrode with stable electrochemical performance at different oxygen partial pressurescitations
- 2022Fracture toughness of reactive bonded Co–Mn and Cu–Mn contact layers after long-term agingcitations
- 2020Low-temperature preparation and investigation of electrochemical properties of SFM/CGO composite electrodecitations
- 2020Low-temperature preparation and investigation of electrochemical properties of SFM/CGO composite electrodecitations
Places of action
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article
Development of an SFMM/CGO composite electrode with stable electrochemical performance at different oxygen partial pressures
Abstract
This paper carefully evaluates the electrocatalytic activity of Sr<sub>2</sub>FeMo<sub>0.5</sub>Mn<sub>0.5</sub>O<sub>6</sub> (SFMM) double perovskite as a candidate to substitute the state-of-the-art Ni/YSZ fuel electrode. The electrochemical performance of a 40% SFMM/CGO composite electrode was studied in CO/CO<sub>2</sub> and H<sub>2</sub> with different oxygen partial pressure. Two different cell configurations are prepared at a relatively low temperature of 800 °C to increase the electrochemically active surface area. The cell was supported with a 150 μm 10Sc1CeSZ electrolyte in the first configuration. The cell in the second configuration was made by applying a 400 nm thin 8YSZ layer on 150 μm CGO electrolyte to improve the electrolyte ionic conductivity. Improving catalytic activity with increasing oxygen partial pressure is a key characteristic of the developed electrode. The polarization resistance of about 0.34 and 0.56 Ω cm<sup>2</sup> at 750 °C in 3%H<sub>2</sub>O + H<sub>2</sub> and 60% CO/CO<sub>2</sub> makes this electrode a promising candidate for SOCs application.