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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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Plaza-Mayoral, Elena
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024Preparation and characterization of bimetallic and multimetallic nanostructured materials for electrocatalysis
- 2024Composition effects of electrodeposited Cu-Ag nanostructured electrocatalysts for CO2 reductioncitations
- 2024Composition effects of electrodeposited Cu-Ag nanostructured electrocatalysts for CO 2 reductioncitations
- 2024Preparation of Tunable Cu−Ag Nanostructures by Electrodeposition in a Deep Eutectic Solventcitations
- 2022Pd-Au Nanostructured Electrocatalysts with Tunable Compositions for Formic Acid Oxidationcitations
- 2022Pd-Au Nanostructured Electrocatalysts with Tunable Compositions for Formic Acid Oxidationcitations
- 2021Preparation of high surface area Cu-Au bimetallic nanostructured materials by co-electrodeposition in a deep eutectic solventcitations
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article
Composition effects of electrodeposited Cu-Ag nanostructured electrocatalysts for CO2 reduction
Abstract
The electrochemical carbon dioxide reduction (CO2RR) on Cu-based catalysts is a promising strategy to store renewable electricity and produce valuable C2+ chemicals. We investigate the CO2RR on Cu-Ag nanostructures that have been electrodeposited in a green choline chloride and urea deep eutectic solvent (DES). We determine the electrochemically active surface area (ECSA) using lead underpotential deposition (UPD) to investigate the CO2RR intrinsic activity and selectivity. We show that the addition of Ag on electrodeposited Cu primarily suppresses the production of hydrogen and methane. While the production of carbon monoxide slightly increases, the partial current of the total C2+ products does not considerably increase. Despite that the production rate of C2+ is similar on Cu and Cu-Ag, the addition of Ag enhances the formation of alcohols and oxygenates over ethylene. We highlight the potential of metal electrodeposition from DES as a sustainable strategy to develop bimetallic Cu-based nanocatalysts for CO2RR. ; We acknowledge support from the Danish National Research Foundation Center for High Entropy Alloy Catalysis (CHEAC, DNRF149). We also acknowledge the Villum Foundation for financially supporting this project through a Villum Young Investigator Grant (project number: 19142). This work was also supported by the Danish Foundation through the DFF-Research Project1 (Thematic Research, green transition) grant with number: 0217-00213A. P.S.P. gratefully acknowledges the Villum Foundation for its financial support (project number: 53090). V.O. acknowledges the support from the Swiss National Science Foundation (SNSF) under grant number 200021L_191997/1. This project has also received funding from Villum Fonden V-SUSTAIN (grant number: 9455). ; Peer reviewed