DataVXACS Applied Materials & InterfacesPaper
journal article·2022-07-20

Selective Ethylene Production from CO2 and CO Reduction via Engineering Membrane Electrode Assembly with Porous Dendritic Copper Oxide

Ngoc-Huan Tran, Hong Phong Duong, Gwenaëlle Rousse, Sandrine Zanna, Moritz W. Schreiber, Marc Fontecave

ACS Applied Materials & Interfaces· Volume 14· Issue 28
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Source abstract

Abstract

Gas-fed zero-gap electrolyzers have recently emerged as attractive systems for limiting ohmic losses and costs associated with electrolytes and for optimizing energy efficiencies. Here, we report that using a dendritic Cu oxide (D-CuO) material deposited on a gas diffusion layer as the cathode of a gas-fed zero-gap membrane electrode assembly (MEA) system results in a very selective conversion of CO to ethylene. More specifically, CO reduction yielded ethylene with an FE up to 68% at 100–125 mA·cm –2 with H 2 as the only other gaseous product and the electrolysis could be carried out for several hours with good stability. Ethylene was also the major product during CO 2 electrolysis (FE = 41%) at 125–150 mA·cm –2, reflecting the high selectivity of D-CuO for ethylene production. Such systems are relevant for tandem CO 2 electroreduction processes, allowing energy efficiencies above 30%.
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Research context

Energy storage

OpenAlex topics: CO2 Reduction Techniques and Catalysts · Ionic liquids properties and applications · Carbon Dioxide Capture Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Laboratoire de Chimie des Processus Biologiques, CNRS UMR 8229, Collège de France, Université Pierre et Marie Curie, Univ Paris 06, 11 Place Marcelin Berthelot, 75231 Paris Cedex 05, France

Laboratoire de Chimie du Solide et Energie, FRE 3677, Collège de France, Université Pierre et Marie Curie, 11 Place Marcelin Berthelot, 75231 Paris Cedex 05, France

Chimie ParisTech, Institut de Recherche de Chimie Paris (IRCP), PSL Research University, CNRS, 11 rue Pierre et Marie Curie, 75005 Paris, France

Total Research and Technology Feluy, Refining and Chemicals, Division CO2 Conversion, 7181 Seneffe, Belgium

Funding

Total

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