Unraveling two-phase transport in porous transport layer materials for polymer electrolyte water electrolysis
Salvatore De Angelis, Tobias Schuler, Margarita A. Charalambous, Federica Marone, Thomas J. Schmidt, Félix N. Büchi
Abstract
Non-optimal oxygen transport in polymer electrolyte water electrolysis is expected to cause severe efficiency losses at high current density. In this study, we shed the first light on the complex fluid transport in PTL materials using operando X-ray tomographic microscopy.
Topics & Concepts
ElectrolyteElectrolysisElectrolysis of waterPolymerWater transportMaterials sciencePorosityCurrent densityChemical engineeringPorous mediumLayer (electronics)Polymer electrolytesChemistryNanotechnologyElectrodeComposite materialWater flowEnvironmental scienceEnvironmental engineeringPhysicsEngineeringPhysical chemistryQuantum mechanicsIonic conductivityFuel Cells and Related MaterialsAdvancements in Battery MaterialsElectrocatalysts for Energy Conversion