Local microenvironment tuning induces switching between electrochemical CO<sub>2</sub> reduction pathways
Surani Bin Dolmanan, Annette Böhme, Ziting Fan, Alex J. King, Aidan Q. Fenwick, Albertus D. Handoko, Wan Ru Leow, Adam Z. Weber, Xinbin Ma, Edwin Khoo, Harry A. Atwater, Yanwei Lum
Abstract
We show that the pore size of the gas-diffusion layer used in electrochemical CO 2 reduction affects CO 2 mass transport. This directly influences the local reaction microenvironment, controlling the selectivity between CO and formate on Ag catalysts.
Topics & Concepts
FormateElectrochemistrySelectivityReduction (mathematics)Mass transportDiffusionChemistryLayer (electronics)CatalysisMaterials scienceElectrodeChemical engineeringNanotechnologyPhysical chemistryBiochemistryThermodynamicsEngineering physicsMathematicsEngineeringPhysicsGeometryCO2 Reduction Techniques and CatalystsIonic liquids properties and applicationsAdvanced Thermoelectric Materials and Devices