I01D - 31 Cathode Catalysts for HDVs & Non-PGM Catalysts

Wednesday, 12 October 2022: 08:00-12:20
Galleria 5 (The Hilton Atlanta)
Chairs:
Natascha Weidler and Ulrike I. Kramm
08:00
Operando X-Ray Absorption Spectroscopy of Pt Catalyst in Polymer Electrolyte Fuel Cell Under High Temperature and Low Humidification
S. Kobayashi, T. Uchiyama (Kyoto University), K. Kakinuma (University of Yamanashi), K. Yamamoto (Nara Women's University), T. Matsunaga (Kyoto University), M. Matsumoto, H. Imai (Nissan ARC Ltd.), Y. Sakurai (Japan Synchrotron Radiation Research Institute), T. Asaoka, Y. Tsuji (FC-Cubic TRA), and Y. Uchimoto (Kyoto University)
08:20
(Invited) Material Requirements for PEM Fuel Cell in Heavy Duty Applications
N. Weidler (cellcentric GmbH & Co. KG), M. Vasquez (cellcentric, Technical University Darmstadt), R. Mahmood (Technical University of Darmstadt), A. Jurjević, and M. Reindl (cellcentric GmbH & Co. KG)
09:00
Baselining Activity and Stability of ORR Catalysts for PEM Fuel Cells for Heavy-Duty Applications
X. Wang (Argonne National Laboratory), L. Hu, K. C. Neyerlin (National Renewable Energy Laboratory), and R. Ahluwalia (Argonne National Laboratory)
09:20
Investigations in High-Efficiency PGM-Catalyst MEA and Its Long-Period Degradation Mechanism for PEMFC in Heavy-Duty Vehicles
G. Zhu, Q. Zhang (Indiana University-Purdue University, Indianapolis), L. Chenzhao (Purdue University, Indiana University – Purdue University Indianapolis), D. A. Cullen (Oak Ridge National Laboratory), X. Wang (Argonne National Laboratory), and J. Xie (Indiana University–Purdue University Indianapolis)
09:40
Intermission
10:00
Durability Investigation of Polymer Electrolyte Membrane Fuel Cells with Pt and Pt-Alloy Catalysts for Heavy Duty Vehicle Applications
L. Hu, T. Van Cleve (National Renewable Energy Laboratory), H. Yu (Oak Ridge National Laboratory), J. Park, N. N. Kariuki (Argonne National Laboratory, Chemical Sciences and Engineering Div.), R. Mukundan (Los Alamos National Laboratory), D. A. Cullen (Oak Ridge National Laboratory), D. J. Myers (Argonne National Laboratory, Chemical Sciences and Engineering Div.), and K. C. Neyerlin (National Renewable Energy Laboratory)
10:20
Understanding the Electrochemical Dissolution of Polymer Electrolyte Fuel Cell Cathode Catalysts for Heavy Duty Applications Using Online ICP-MS
N. N. Kariuki (Argonne National Laboratory, Chemical Sciences and Engineering Div.), X. Wang (Argonne National Laboratory), D. J. Myers (Argonne National Laboratory, Chemical Sciences and Engineering Div.), and R. Ahluwalia (Argonne National Laboratory)
10:40
Oxygen Reduction Reaction on Fe-N-C Catalysts: A Computational Spectroscopy Study
C. Gallenkamp, L. Ni, V. Krewald, and U. I. Kramm (Technical University of Darmstadt)
11:00
Operando 57 Fe Mössbauer Spectroscopy of Fe-N-C Catalysts during Oxygen Reduction Reaction
L. Ni, C. Gallenkamp, M. Kübler (Technical University of Darmstadt), P. Theis (Technische Universität Darmstadt), E. Bill (Max Planck Institute for Chemical Energy Conversion), V. Krewald, and U. I. Kramm (Technical University of Darmstadt)
11:20
Redox Behavior and ORR Catalytic Activity of Fe-N-C Electrocatalysts in Various Electrolytes and in the Presence of Probe Molecules
X. Wang, J. Park, M. Ferrandon (Argonne National Laboratory), Y. Zeng (The State University of New York at Buffalo), H. Zhang (Los Alamos National Laboratory), G. Wu (The State University of New York at Buffalo), P. Zelenay (Los Alamos National Laboratory), and D. J. Myers (Argonne National Laboratory)
11:40
Elucidating Activity-Stability Trade-Off to Design Highly Durable Fe-N-C Catalysts
Y. Zeng (The State University of New York), C. Li (Purdue University), M. J. Zachman, D. A. Cullen (Oak Ridge National Laboratory), J. Xie (Indiana University–Purdue University Indianapolis), D. J. Myers (Argonne National Laboratory, Chemical Sciences and Engineering Div.), and G. Wu (University at Buffalo)
12:00
Deactivation Mechanism of Pyridinic Nitrogen-Doped Carbon for ORR in Acidic Media
K. Hayashida, R. Shimizu, Y. Hikita (Graduate School of Science and Technology, Tsukuba University), K. Takeyasu, and J. Nakamura (Faculty of Pure and Applied Sciences, University of Tsukuba)