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In order to obtain Platinum-free catalysts for the Oxygen Reduction Reaction (ORR) in Fuel Cells, Nitrogen doped mesoporous carbons were prepared from pyrolysis of three Cobalt metal organic frameworks (MOFs), one linear coordination polymer and one complex. Electron micrographs revealed the presence of pores of different sizes in the samples. Particles resembled polyhedrons, sponges, bars, etc. The...
Cobalt and Iron based catalysts for the Oxygen Reduction Reaction (ORR) are a promising alternative to the use of Pt in Polymer Electrolyte Fuel Cells (PEMFC). A systematic study on the influence of the nitrogenated ligand in the precursor complex on the ORR activity was performed. Several Fe and Co complexes were prepared with different N-heterocyclic ligands, namely: meso-tetra-(4-carboxyphenyl)-porphyrin...
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