I01A-11 Microscopy and Neutron Imaging

Tuesday, 15 October 2019: 08:00-12:00
Galleria 2 (The Hilton Atlanta)
Chairs:
Andrew M. Baker and Daniel S Hussey
08:00
(Invited) A New View of Fuel Cell Electrocatalysts through Multimodal Analytical Electron Microscopy
D. A. Cullen, S. Cao, M. Chi, and K. L. More (Oak Ridge National Laboratory)
08:40
Microscopic Analysis of PEMFC Catalyst Layers
K. Chintam (Los Alamos National Laboratory), K. L. More, K. S. Reeves (Oak Ridge National Laboratory), N. Macauley, D. E. Hooks, and R. L. Borup (Los Alamos National Laboratory)
09:00
09:20
Development of Operando Microprobe X-Ray Fluorescence Techniques to Measure Cation Transport in PEM Fuel Cells
A. M. Baker (Los Alamos National Laboratory), Y. Cai, J. M. Ziegelbauer (Global Fuel Cell Business, General Motors), D. Agyeman-Budu, A. Woll (Cornell High Energy Synchrotron Source), W. Gu, A. Kongkanand (Global Fuel Cell Business, General Motors), R. Mukundan, and R. L. Borup (Los Alamos National Laboratory)
09:40
Intermission
10:00
Understanding the Degradation of Pt Electrocatalysts in Proton Exchange Membrane Fuel Cells By 3D Identical Location STEM
K. Yu (University of Texas at Austin, International Iberian Nanotechnology Laboratory), C. Li, J. Xie (Indiana University Purdue University Indianapolis), and P. J. Ferreira (University of Texas at Austin, International Iberian Nanotechnology Laboratory)
10:20
Evaluation of Dry-Wet Transition in PEFC Under Load Changes Based on Laser Spectroscopy Using Fiber-Optic Probe
K. Nishida, R. Nakauchi, Y. Tabata (Kyoto Institute of Technology), T. Umekawa (Plumtec Co., Ltd.), and M. Kawasaki (Research Institute for Humanity and Nature)
10:40
Adsorption Behavior of Perfluorosulfonic Acid Ionomers on a Pt(111) Surface Observed By Atomic Force Microscopy
R. Devivaraprasad and T. Masuda (National Institute for Materials Science)
11:00
Improved Water Management of Electrospun Nanofiber Membrane Electrode Assemblies at High Current Densities Measured in Operando Using Neutron Radiography
A. M. Baker, K. Chintam, R. Mukundan, R. L. Borup (Los Alamos National Laboratory), J. M. LaManna, D. S. Hussey, D. L. Jacobson (National Institute of Standards and Technology), J. J. Slack, K. Waldrop, and P. N. Pintauro (Vanderbilt University)
11:20
Impact of Porosity Gradients within Catalyst Layer and MPL of a PEM Fuel Cell on the Water Management and Performance: A Neutron Radiography Investigation
D. Kartouzian, A. Mohseninia (Zentrum für Sonnenenergie- und Wasserstoff-Forschung), H. Markötter (Helmholtz-Zentrum Berlin), P. Langner, J. Scholta (Zentrum für Sonnenenergie- und Wasserstoff-Forschung), and I. Manke (Helmholtz-Zentrum Berlin)
11:40
High Resolution Neutron Imaging Developments for PEMFC, AEMFC, and Electrolyzers
D. S. Hussey, J. M. LaManna, E. Baltic, and D. L. Jacobson (National Institute of Standards and Technology)