Graphene-encapsulated nickel–copper bimetallic nanoparticle catalysts for electrochemical reduction of CO<sub>2</sub>to CO
Chaochen Xu, Anthony Vasileff, Bo Jin, Dan Wang, Haolan Xu, Yao Zheng, Shi‐Zhang Qiao
Abstract
Highly selective CO2 electroreduction to CO (∼90% faradaic efficiency) was achieved on NiCu0.25 bimetallic nanoparticle catalysts. By combining Synchrotron based X-ray absorption and in situ Raman spectroscopy studies, we found that there is a negative correlation between the Cu content in NiCux and CO selectivity due to redistribution of the 3d electrons.
Topics & Concepts
Bimetallic stripCatalysisSelectivityNickelCopperRedistribution (election)NanoparticleElectrochemistryInorganic chemistryMaterials scienceChemistryChemical engineeringElectrodeNanotechnologyMetallurgyPhysical chemistryOrganic chemistryPoliticsEngineeringPolitical scienceLawCO2 Reduction Techniques and CatalystsIonic liquids properties and applicationsAdvanced Thermoelectric Materials and Devices