Supramolecular nanotube comprising at least one magnet chain comprising a coordination polymer, said coordination polymer comprising at least one linear macromolecular chain comprising repeating units containing at least one metal, said metal being coordinated by at least one ligand comprising at least one chain linear carbon chain, said linear carbon chain comprising more than 5 carbons, preferably the linear carbon chain comprises 6 to 30 carbons
New catalysts for fuel cells are described comprising a polymer and platinum metallic particles, used alone or in combination with other metals; methods for the preparation of said catalysts are further described, their use and fuel cells containing them.
The present invention deals with a new methodology aimed at preparing highly N-doped mesoporous carbon macroscopic composites, and their use as highly efficient heterogeneous metal-free catalysts in a number of industrially relevant catalytic transformations.
Fuel cells catalysts comprising a polymer and meta! particles of cobalt, as such or in combination with other metals, are described. Described are also methods for the preparation of the above said catalysts, their use in fuel cells and fuel cells comprising them.