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Investigation of Oxygen Reduction Activity of Catalysts Derived from Co and Co/Zn Methyl‐Imidazolate Frameworks in Proton Exchange Membrane Fuel Cells

Journal Article · · ChemElectroChem
 [1];  [2];  [3];  [4];  [5];  [2];  [2];  [3];  [3];  [2];  [6];  [3];  [4]
  1. 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
  2. Chemical and Biomolecular Engineering Department University of Tennessee Knoxville, TN 37996 USA
  3. University of South Florida Tampa FL 33620 USA
  4. Chemical Sciences and Engineering Division Argonne National Laboratory Argonne IL 60439 USA
  5. Alcoa Technical Center New Kensington PA 15068 USA
  6. 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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