Impact of Cu<sup>+</sup> and Cu<sup>2+</sup> species on the oxide-metal transition processes of Cu<sub><i>x</i></sub>O foams during the CO<sub>2</sub>RR probed by <i>operando</i> Quick-XAS
Sonja Blaseio, Carsten Dosche, Motiar Rahaman, K. Kiran, Alexandra Dworzak, Björn Mahrt, Peter Broekmann, Abhijit Dutta, Mehtap Oezaslan
Abstract
Operando Quick-XAS is used to study the reduction kinetics of Cu x O foams during the CO 2 RR. The oxide-metal transition potential strongly depends on the initial abundance of Cu 2+ species, precursor structure and type of chronoamperometric experiment.
Topics & Concepts
OxideElectrocatalystTransition metalMetalMaterials scienceCopperInorganic chemistryChemistryNuclear chemistryMetallurgyPhysical chemistryCatalysisElectrodeElectrochemistryBiochemistryCO2 Reduction Techniques and CatalystsCatalytic Processes in Materials ScienceCatalysis and Oxidation Reactions