Replace Platinum for Hydrogen Evolution Reaction in the Cathode of Proton Exchange Membrane Water Electrolyzers
Ushtar Arshad, Jiayi Tang, Zongping Shao
Abstract
This review examines the shift from platinum to more affordable alternatives for the hydrogen evolution reaction in proton exchange membrane water electrolyzers. It highlights ongoing advancements in cathodes mainly based on ruthenium, nonprecious metals, and nonmetals, focusing on innovations in structure, interfacial engineering, and the use of machine learning to optimize HER performance, driving the development of sustainable hydrogen energy solutions.
Topics & Concepts
Proton exchange membrane fuel cellCathodePlatinumHydrogenChemical engineeringMaterials scienceChemistryCatalysisFuel cellsPhysical chemistryEngineeringOrganic chemistryHybrid Renewable Energy SystemsFuel Cells and Related MaterialsElectrocatalysts for Energy Conversion