Investigation of Oxygen Reduction Activity of Catalysts Derived from Co and Co/Zn Methyl-Imidazolate Frameworks in Proton Exchange Membrane Fuel Cells
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne IL 60439 USA; Engineering Research Center of Light Alloy Net Forming and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai P.R. China
- Chemical and Biomolecular Engineering Department, University of Tennessee, Knoxville, TN 37996 USA
- University of South Florida, Tampa FL 33620 USA
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne IL 60439 USA
- Alcoa Technical Center, New Kensington PA 15068 USA
- Engineering Research Center of Light Alloy Net Forming and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai P.R. China
We demonstrated that the oxygen reduction reaction (ORR) activity over the catalysts derived from pyrolyzed cobalt zeolitic imidazolate frameworks depends strongly on the imidazole ligand structure and cobalt content. The activity and durability of these catalysts were tested in the proton exchange membrane fuel cell for the first time. The membrane electrode assembly containing a catalyst derived from Co/Zn bimetallic ZIF at cathode achieved an open circuit voltage of 0.93 V, a current density of 28 mA cm-2 at 0.8 ViR-free and a peak power density of 374 mW cm-2.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- USDOE Office of Science; USDOE Office of Energy Efficiency and Renewable Energy (EERE) - Office of Fuel Cell Technologies (FCTO); China Scholarship Council
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1429908
- Journal Information:
- ChemElectroChem, Journal Name: ChemElectroChem Journal Issue: 10 Vol. 3; ISSN 2196-0216
- Publisher:
- ChemPubSoc Europe
- Country of Publication:
- United States
- Language:
- English
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