Which insights can gas diffusion electrode half-cell experiments give into activity trends and transport phenomena of membrane electrode assemblies?
Nicolai Schmitt, Mareike Schmidt, Jonathan E. Mueller, Lasse Schmidt, Michael Trabold, Katharina Jeschonek, Bastian J. M. Etzold
Abstract
This work highlights how the different environment of the catalyst in GDE and MEA evaluation results in different trends of catalyst layer activity towards the oxygen reduction reaction being observed with both techniques.
Topics & Concepts
Gas diffusion electrodeElectrodeDiffusionOxygen reduction reactionWork (physics)CatalysisMembraneGaseous diffusionChemical engineeringMaterials scienceMembrane electrode assemblyClark electrodeChemistryThermodynamicsElectrochemistryEngineeringMechanical engineeringPhysical chemistryOrganic chemistryPhysicsElectrolyteBiochemistryElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsAdvanced battery technologies research