Optimized Synthesis of Fe/N/C Cathode Catalysts for PEM Fuel Cells: A Matter of Iron-Ligand Coordination Strength

It's all in the detail: Highly active Fe/N/C catalysts for the oxygen‐reduction reaction in polymer‐electrolyte‐membrane (PEM) fuel cells can be obtained from a precursor constructed from the zeolitic imidazolate framework ZIF‐8 and an iron–ligand complex if, and only if, the displacement of Zn...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2013-07, Vol.52 (27), p.6867-6870
Main Authors: Tian, Juan, Morozan, Adina, Sougrati, Moulay Tahar, Lefèvre, Michel, Chenitz, Régis, Dodelet, Jean-Pol, Jones, Deborah, Jaouen, Frédéric
Format: Article
Language:English
Subjects:
Catalysis
Catalysts
chelates
Chemical Sciences
Construction
Displacement
Fuel cells
Iron
Precursors
Synthesis
UV/Vis spectroscopy
zeolites
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Summary:It's all in the detail: Highly active Fe/N/C catalysts for the oxygen‐reduction reaction in polymer‐electrolyte‐membrane (PEM) fuel cells can be obtained from a precursor constructed from the zeolitic imidazolate framework ZIF‐8 and an iron–ligand complex if, and only if, the displacement of ZnII ions from ZIF‐8 by FeII ions is restricted (see picture; TPTZ=2,4,6‐tris(2‐pyridyl)‐s‐triazine).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201303025