Karren L More Group Leader, electron Microscopy and Microanalysis (eMMA) Contact 865.363.1979 | MOREKL1@ORNL.GOV All Publications Highly Active Oxygen Reduction Electrocatalysts Derived from an Iron-Porphyrin Framework Electrospun Nanofiber Electrodes for High and Low Humidity PEMFC Operation Understanding effects of chemical complexity on helium bubble formation in Ni-based concentrated solid solution alloys based on elemental segregation measurements High radiation tolerance of an ultrastrong nanostructured NiCoCr alloy with stable dispersed nanooxides and fine grain structure Synthesis strategies toward improved ordering of [MnO6] octahedra in tunnel structured 2 × 3 and 2 × 4 MnO2 Effect of Catalyst and Catalyst Layer Composition on Catalyst Support Durability Impact of Catalyst Ink Dispersing Solvent on PEM Fuel Cell Performance and Durability New roads and challenges for fuel cells in heavy-duty transportation Origin of increased helium density inside bubbles in Ni (1−x) Fe x alloys Chemical Vapor Deposition for Atomically Dispersed and Nitrogen Coordinated Single Metal Site Catalysts... Eliminating dissolution of platinum-based electrocatalysts at the atomic scale Methanol tolerance of atomically dispersed single metal site catalysts: mechanistic understanding and high-performance direct methanol fuel cells Single Cobalt Sites Dispersed in Hierarchically Porous Nanofiber Networks for Durable and High‐Power PGM‐Free Cathodes in Fuel Cells Exchange of Ions across the TiN/TaO x Interface during Electroformation of TaO x -Based Resistive Switching Devices Improving Electronic Conductivity of Layered Oxides through the Formation of Two-Dimensional Heterointerface for Intercalation Batteries From suppressed void growth to significant void swelling in NiCoFeCr complex concentrated solid-solution alloy Interpreting nanovoids in atom probe tomography data for accurate local compositional measurements Atomically Dispersed Single Ni Site Catalysts for Nitrogen Reduction toward Electrochemical Ammonia Synthesis Using N 2 and H 2 O Thermally Driven Structure and Performance Evolution of Atomically Dispersed FeN4 Sites for Oxygen Reduction Elucidating the Dynamic Nature of Fuel Cell Electrodes as a Function of Conditioning: An ex Situ Material Characterization and in Situ Electrochemical Diagnostic Study Electrospun Particle/Polymer Fiber Electrodes with a Neat Nafion Binder for Hydrogen/Air Fuel Cells Investigating Effects of Alloy Chemical Complexity on Helium Bubble Formation by Accurate Segregation Measurements Using Atom Probe Tomography Interpreting Voids in Atom Probe Tomography Data via Experiment and Theory Elucidation of Fe-N-C electrocatalyst active site functionality via in-situ X-ray absorption and operando determination of oxygen reduction reaction kinetics in a PEFC High-performance fuel cell cathodes exclusively containing atomically dispersed iron active sites Pagination Current page 1 Page 2 Page 3 … Next page ›ĺ 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
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