Water management in anion-exchange membrane water electrolyzers under dry cathode operation
Susanne Koch, Joey Disch, Sophia K. Kilian, Yiyong Han, Lukas Metzler, Alessandro Tengattini, Lukas Helfen, Michael Schulz, Matthias Breitwieser, Severin Vierrath
Abstract
Dry cathode operation is a desired operation mode in anion-exchange membrane water electrolyzers, but water management is crucial. This is visualized using high-resolution neutron radiography and the ion-exchange capacity of the cathode ionomer is varied.
Topics & Concepts
CathodeIon exchangeMembraneChemistryIonChemical engineeringEnvironmental scienceEngineeringOrganic chemistryPhysical chemistryBiochemistryFuel Cells and Related MaterialsHybrid Renewable Energy SystemsAdvanced battery technologies research