David A Cullen Senior R&D Staff Contact 865.576.0230 | CULLENDA@ORNL.GOV All Publications La–Sr–Co oxide catalysts for oxygen evolution reaction in anion exchange membrane water electrolyzer: The role of electrode fabrication on performance and durability Outstanding Platinum Group Metal-free Bifunctional Catalysts for Rechargeable Zinc-Air Batteries Electrospun Nanofiber Electrodes for High and Low Humidity PEMFC Operation Improved Fuel Cell Chemical Durability of an Heteropoly Acid Functionalized Perfluorinated Terpolymer-Perfluorosulfonic Acid ... Design of graded cathode catalyst layers with various ionomers for fuel cell application PdCu Electrocatalysts for Selective Nitrate and Nitrite Reduction to Nitrogen 20%-efficient polycrystalline Cd(Se,Te) thin-film solar cells with compositional gradient near the front junction Elucidating the impact of the ionomer equivalent weight on a platinum group metal-free PEMFC cathode via oxygen limiting curr... Ordered CoPt oxygen reduction catalyst with high performance and durability Revealing the activity and selectivity of ppm level copper in gas diffusion electrodes towards CO and CO2 electroreduction Molecular Catalyst Synthesis Strategies to Prepare Atomically Dispersed Fe-N-C Heterogeneous Catalysts Design of PGM-free cathodic catalyst layers for advanced PEM fuel cells MoS2 nanosheet integrated electrodes with engineered 1T-2H phases and defects for efficient hydrogen production in practical ... Mixed-Metal Nickel–Iron Oxide Aerogels for Oxygen Evolution Reaction A general synthesis of single atom catalysts with controllable atomic and mesoporous structures Tracking Nanoparticle Degradation across Fuel Cell Electrodes by Automated Analytical Electron Microscopy... Imaging Sensitive Catalyst Active Site Structure by 30 keV Electron Ptychography Improved Throughput, Statistics, and Instrument Utilization with Automated Analytical Electron Microscopy... Atomically dispersed iron sites with a nitrogen–carbon coating as highly active and durable oxygen reduction catalysts for fuel cells Electrocatalysis of Oxygen Reduction Reaction in a Polymer Electrolyte Fuel Cell with a Covalent Framework of Iron Phthalocyanine Aerogel Unveiling mechanism of surface-guided platinum nanowire growth Tracking Degradation in Individual Catalyst Nanoparticles Under Fuel Cell-Relevant Cycling Conditions by Identical-Location STEM Understanding Recoverable vs Unrecoverable Voltage Losses and Long-Term Degradation Mechanisms in Anion Exchange Membrane Fuel Cells Standardized protocols for evaluating platinum group metal-free oxygen reduction reaction electrocatalysts in polymer electrolyte fuel cells Forum on Materials and Interfaces for Energy Storage and Conversion Pagination First page « First Previous page ‹â¶Ä¹ … Page 2 Current page 3 Page 4 … 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
