Insights into catalyst degradation during alkaline water electrolysis under variable operation
Raúl A. Márquez, Jay T. Bender, Ashton M. Aleman, Emma Kalokowski, Thuy Vy Le, Chloe L. Williamson, Morten Linding Frederiksen, Kenta Kawashima, Chikaodili E. Chukwuneke, Andrei Dolocan, Delia J. Milliron, Joaquin Resasco, Thomas F. Jaramillo, C. Buddie Mullins
Abstract
Variable operation causes severe degradation of Ni, Fe, and Co catalysts in liquid alkaline water electrolysis. This work reveals insights into catalyst transformations induced by reverse currents and offers guidelines to improve stability testing.
Topics & Concepts
Degradation (telecommunications)ElectrolysisCatalysisAlkaline water electrolysisVariable (mathematics)Environmental scienceChemistryComputer scienceMathematicsElectrolyteElectrodeTelecommunicationsOrganic chemistryMathematical analysisPhysical chemistryElectrocatalysts for Energy ConversionHybrid Renewable Energy SystemsFuel Cells and Related Materials