Is Cu instability during the CO<sub>2</sub> reduction reaction governed by the applied potential or the local CO concentration?
Patrick Wilde, Peter B. O’Mara, João R. C. Junqueira, Tsvetan Tarnev, Tânia M. Benedetti, Corina Andronescu, Yen‐Ting Chen, Richard D. Tilley, Wolfgang Schuhmann, J. Justin Gooding
Abstract
The stability of bimetallic AgCu and PdCu catalysts for electrochemical CO<sub>2</sub>RR is investigated using the combination of <italic>operando</italic> and <italic>ex situ</italic> TEM. The local CO concentration is identified as the main link between activity, stability and selectivity.
Topics & Concepts
Bimetallic stripCatalysisElectrochemistryInstabilitySelectivityChemistryRedoxMaterials scienceChemical engineeringInorganic chemistryPhysical chemistryElectrodeOrganic chemistryPhysicsMechanicsEngineeringCO2 Reduction Techniques and CatalystsIonic liquids properties and applicationsElectrocatalysts for Energy Conversion