Haoran Yu Staff Scientist Contact YUH1@ORNL.GOV All Publications The Impact of Membrane Inactive Area on the Durability of Pt-Co Catalyst Structure of Iridium Oxides and Their Oxygen Evolution Electrocatalysis in Acidic Media... Durability of PGM catalyst MEAs of polymer electrolyte membrane fuel cells for heavy-duty vehicles Quantifying Sources of Voltage Decay in Long-Term Durability Testing for PEM Water Electrolysis Enhancing durability and activity toward oxygen evolution reaction using single-site Re-doped NiFeOx catalysts at ampere-level Innovative duo-recombination layer design for effective hydrogen crossover mitigation in advanced MEAs for PEM water electrolyzers Identifying electrochemical processes by distribution of relaxation times in proton exchange membrane electrolyzers... Evaluation of IrO2 catalysts doped with Ti and Nb at industrially relevant electrolyzer conditions: A comprehensive study A Three-dimensional Nanoscale View of Electrocatalyst Degradation in Hydrogen Fuel Cells A Three–Dimensional Nanoscale View of Electrocatalyst Degradation in Hydrogen Fuel Cells Iridium Surface Oxide Affects the Nafion Interface in Proton-Exchange-Membrane Water Electrolysis Durability of Highly Active PGM Catalyst MEA Tested Via Nitrogen and Air AST Cycling Under HDV Condition Understanding the Effects of Anode Catalyst Conductivity and Loading on Catalyst Layer Utilization and Performance for Anion Exchange Membrane Water Electrolysis Aerogel-derived nickel-iron oxide catalysts for oxygen evolution reaction in alkaline media Performance Losses and Current-Driven Recovery from Cation Contaminants in PEM Water Electrolysis Amorphous Iridium Oxide-Integrated Anode Electrodes with Ultrahigh Material Utilization for Hydrogen Production at Industrial Current Densities Simulated Start-Stop and the Impact of Catalyst Layer Redox on Degradation and Performance Loss in Low-Temperature Electrolys... Impact of polymer additives on crack mitigation of rod-coated fuel cell cathode catalyst layers... Catalyst-Specific Accelerated Stress Tests in Proton Exchange Membrane Low-Temperature Electrolysis for Intermittent Operation Effect of Engineered Cracks in Catalyst Layers on PEMFC Catalyst Layer Durability... CO2-mediated oxidative dehydrogenation of propane enabled by Pt-based bimetallic catalysts... Probing individual single atom electrocatalyst sites by advanced analytical scanning transmission electron microscopy Catalyst Layer Resistance and Utilization in PEM Electrolysis Failure to Fail: Recreating Real-life Nanoparticle Degradation in Model Environments Aging gracefully? Investigating iridium oxide ink's impact on microstructure, catalyst/ionomer interface, and PEMWE performance Pagination Current page 1 Page 2 Page 3 Next page ›› Last page Last » Key Links Curriculum Vitae ORCID LinkedIn Google Scholar Physical Sciences Directorate Center for Nanophase Materials Sciences Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Nanomaterials Characterization Section electron Microscopy and Microanalysis Group