Mostrando ítems 1-2 de 2
Garcia Cardona, Júlia (Fecha de defensa: 2023-12-04)
[eng] Conventional catalysts for polymer electrolyte fuel cells are based on Pt supported on porous carbons, generally carbon blacks. However, Pt is expensive and scarce and is poisoned by CO, which is ...
Oriol López, Roger (Fecha de defensa: 2023-10-23)
[eng] Groundwater has been traditionally considered a reliable source of freshwater. However, the low replenishment rates and the increasing contamination due to different anthropogenic activities, such ...