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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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Vernoux, Philippe
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Pd loading threshold for an efficient noble metal use in Pd/CeO2 methane oxidation catalystscitations
- 2021Successive Strong Electrostatic Adsorptions of [RhCl6]3– on Tungstated-Ceria as an Original Approach to Preserve Rh Clusters From Sintering Under High-Temperature Reductioncitations
- 2020Catalytic and Electrochemical Properties of Ag Infiltrated Perovskite Coatings for Propene Deep Oxidationcitations
- 2019Catalytic Properties of Double Substituted Lanthanum Cobaltite Nanostructured Coatings Prepared by Reactive Magnetron Sputteringcitations
- 2019In situ observation of nanoparticle exsolution from Perovskite oxides:from atomic scale mechanistic insight to nanostructure tailoringcitations
- 2019In situ observation of nanoparticle exsolution from perovskite oxidescitations
- 2018Tuning the $mathrm{Pt/CeO_{2}}$ Interface by in Situ Variation of the Pt Particle Sizecitations
- 2016NO 2 -selective electrochemical sensors for Diesel exhaustscitations
- 2016Development of a NOx gas sensor for exhaust
- 2011Improvement of the NOx selectivity for a planar YSZ sensorcitations
- 2009Physicochemical Origins of Electrochemical Promotion of LSM/YSZcitations
- 2005Electrochemical and catalytic properties of porous Pt–YSZ compositescitations
Places of action
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article
Catalytic and Electrochemical Properties of Ag Infiltrated Perovskite Coatings for Propene Deep Oxidation
Abstract
International audience ; This study reports the catalytic properties of Ag nanoparticles dispersed on mixed ionic and electronic conducting layers of LSCF (La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3 for propene combustion. A commercial and a synthesized LSCF powder were deposited by screen-printing or spin-coating on dense yttria-stabilized zirconia (YSZ) substrates, an oxygen ion conductor. Equal loadings (50 µg) of Ag nanoparticles were dispersed via drop-casting on the LSCF layers. Electrochemical and catalytic properties have been investigated up to 300 °C with and without Ag in a propene/oxygen feed. The Ag nanoparticles do not influence the electrochemical reduction of oxygen, suggesting that the rate-determining step is the charge transfer at the triple phase boundaries YSZ/LSCF/gas. The anodic electrochemical performances correlate well with the catalytic activity for propene oxidation. This suggests that the diffusion of promoting oxygen ions from YSZ via LSCF grains can take place toward Ag nanoparticles and promote their catalytic activity. The best specific catalytic activity, achieved for a LSCF catalytic layer prepared by screen-printing from the commercial powder, is 800 times higher than that of a pure Ag screen-printed film.