| 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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Götsch, Thomas
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2023Electrocatalytic Enhancement of CO Methanation at the Metal–Electrolyte Interface Studied Using In Situ X-ray Photoelectron Spectroscopy
- 2021Complexions at the Electrolyte/Electrode Interface in Solid Oxide Cellscitations
- 2021Visualizing the Atomic Structure Between YSZ and LSM: An Interface Stabilized by Complexions?
- 2020Carbide-Modified Pd on ZrO2 as Active Phase for CO2-Reforming of Methane—A Model Phase Boundary Approach
- 2018Structural investigations of La<sub>0.6</sub>Sr<sub>0.4</sub>FeO<sub>3−δ</sub> under reducing conditions: kinetic and thermodynamic limitations for phase transformations and iron exsolution phenomenacitations
- 2016Structural and chemical degradation mechanisms of pure YSZ and its components ZrO<sub>2</sub> and Y<sub>2</sub>O<sub>3</sub> in carbon-rich fuel gasescitations
Places of action
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article
Complexions at the Electrolyte/Electrode Interface in Solid Oxide Cells
Abstract
<jats:title>Abstract</jats:title><jats:p>Rapid deactivation presently limits a wide spread use of high‐temperature solid oxide cells (SOCs) as otherwise highly efficient chemical energy converters. With deactivation triggered by the ongoing conversion reactions, an atomic‐scale understanding of the active triple‐phase boundary between electrolyte, electrode, and gas phase is essential to increase cell performance. Here, a multi‐method approach is used comprising transmission electron microscopy and first‐principles calculations and molecular simulations to untangle the atomic arrangement of the prototypical SOC interface between a lanthanum strontium manganite (LSM) anode and a yttria‐stabilized zirconia (YSZ) electrolyte in the as‐prepared state after sintering. An interlayer of self‐limited width with partial amorphization and strong compositional gradient is identified, thus exhibiting the characteristics of a complexion that is stabilized by the confinement between two bulk phases. This offers a new perspective to understand the function of SOCs at the atomic scale. Moreover, it opens up a hitherto unrealized design space to tune the conversion efficiency.</jats:p>