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handle: 10261/27586
La invención aborda el problema asociado con desactivar los catalizadores del ánodo de pilas de combustible. La invención relaciona a un catalizador ternario del Pinta-Ru-MeOX (en donde yo = MES, W o V) en un soporte de carbono, capaz de oxidar el CO al CO2 en los potenciales sobre 0.1 V por lo que se refiere al potencial normal de los hidrógenos (NHE). La invención también relaciona al método para preparar los catalizadores dichos, así como el uso de eso como ánodos en las pilas de combustible de la membrana de intercambio del electrólito o del protón del polímero suministradas con los hidrógenos obtenidos del metanol reforming (PEMFC) o directo (DMFC).
The invention tackles the problem associated with deactivating the anode catalysts of fuel cells. The invention relates to a ternary catalyst of Pt-Ru-MeOX (wherein Me = Mo, W or V) on a carbon support, capable of oxidising CO to CO2 at potentials above 0.1 V in respect of the normal potential of hydrogen (NHE). The invention also relates to the method for preparing said catalysts, as well as the use thereof as anodes in polymer electrolyte or proton exchange membrane fuel cells supplied with hydrogen obtained from reforming (PEMFC) or direct methanol (DMFC).
Fecha de solicitud: 18-09-2008.- Titular: Consejo Superior de Investigaciones Científicas (CSIC)
Peer reviewed
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