David A Cullen Senior R&D Staff Contact CULLENDA@ORNL.GOV All Publications Durability of Pt-Co Alloy Polymer Electrolyte Fuel Cell Cathode Catalysts under Accelerated Stress Tests Strain-Driven Stacking Faults in CdSe/CdS Core/Shell Nanorods Metal-organic framework-derived nitrogen-doped highly disordered carbon for electrochemical ammonia synthesis using N2 and H2O in alkaline electrolytes Unveiling Active Sites of CO2 Reduction on Nitrogen-Coordinated and Atomically Dispersed Iron and Cobalt Catalysts PtCo Cathode Catalyst Morphological and Compositional Changes after PEM Fuel Cell Accelerated Stress Testing... Novel thin/tunable gas diffusion electrodes with ultra-low catalyst loading for hydrogen evolution reactions in proton exchange membrane electrolyzer cells A physical catalyst for the electrolysis of nitrogen to ammonia Nitrogen-Coordinated Single Cobalt Atom Catalysts for Oxygen Reduction in Proton Exchange Membrane Fuel Cells Tunnel structured manganese oxide nanowires as redox active electrodes for hybrid capacitive deionization Fabrication of Au25(SG)18–ZIF-8 Nanocomposites: A Facile Strategy to Position Au25(SG)18 Nanoclusters Inside and Outside ZIF-8 Lattice Matched Carbide-Phosphide Heterostructures with Superior Electrocatalytic Activity and Stability Study on corrosion migrations within catalyst-coated membranes of proton exchange membrane electrolyzer cells Thin film surface modifications of thin/tunable liquid/gas diffusion layers for high-efficiency proton exchange membrane electrolyzer cells 3D Analysis of Fuel Cell Electrocatalyst Degradation on Alternate Carbon Supports In situ investigation on ultrafast oxygen evolution reactions of water splitting in proton exchange membrane electrolyzer cells 3D Analysis of Fuel Cell Electrocatalyst Degradation on Alternate Carbon Supports Controlled Assembly of Lignocellulosic Biomass Components and Properties of Reformed Materials Recent Progress of Correlative Transmission Electron Microscopy and Atom Probe Tomography for Materials Characterization Electron Tomography of PEM Fuel Cell Catalyst Coarsening on Alternate Carbon Supports... Direct Atomic-Level Insight into the Active Sites of a High-Performance PGM free ORR Catalyst Cation-eutectic transition via sublattice melting in CuInP2S6 / In4/3P2S6 van der Waals layered crystals Spiny Rhombic Dodecahedral CuPt Nanoframes with Enhanced Catalytic Performance Synthesized from Cu Nanocube Templates... Characterization of the Effects of Different Tempers and Aging Temperatures on the Precipitation Behavior of Al-Mg (5.25 at.%... Characterization of Al-Mg Alloy Aged at Low Temperatures Long-Term Stability of Nanostructured Thin Film Electrodes at Operating Potentials Pagination First page « First Previous page ‹â¶Ä¹ … Page 8 Current page 9 Page 10 … Next page ›â¶Äº Last page Last » Key Links Curriculum Vitae Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Nanomaterials Characterization Section electron Microscopy and Microanalysis Group
