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
Abstract
We demonstrated that the oxygen reduction reaction (ORR) activity over catalysts derived from pyrolyzed cobalt zeolitic imidazolate frameworks (ZIFs) 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 the cathode achieved an open‐circuit voltage of 0.93 V, a current density of 28 mA cm −2 at 0.8 V iR ‐free , and a peak power density of 374 mW cm −2 .
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1401669
- Alternate ID(s):
- OSTI ID: 1429908
- Journal Information:
- ChemElectroChem, Journal Name: ChemElectroChem Journal Issue: 10 Vol. 3; ISSN 2196-0216
- Publisher:
- Wiley Blackwell (John Wiley & Sons)Copyright Statement
- Country of Publication:
- Germany
- Language:
- English
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