Catalysts for fuel cell electrodes based on platinum and its alloys, the preparation and use therewof, as well as fuel cells containing them
OwnerPierluigi Barbaro, Paolo Bert +4inventors
InventorsPierluigi Barbaro, Paolo Bert, Claudio Bianchini, Giuliano Giambastiani, Alessandro Tampucci, Francesco Vizza
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Abstract
The invention relates to new catalysts for fuel cells comprising a polymer and platinum metallic particles, used alone or in combination with other metals; methods for the preparation of the catalysts are further described, their use and fuel cells containing them.
Claims30
1-32. (canceled)
Anode and cathode catalysts for fuel cells having a low content in platinum, obtained by treatment of metal complexes formed by salts of platinum, alone or in combination with other metals, and polymers obtained by condensation of a 4-{1-[(phenyl-2,4-disubstituted)-hydrazine]-alkyl}-benzene-1,3-diol with a 3,5-disubstituted phenol and formaldehyde or para-formaldehyde in the presence of an acid or basic catalysts in water/alcohol mixtures and at a temperature comprised between 20-150° C. and having a molecular weight comprised between 1000 and 50000.
Dependencies are inferred from the claim text.