Inexpensive Catalysts for Hydrazine Fuel Cell Anodes

摘要

The use of elemental iron on porous nickel substrates as a hydrazine anode was found to give anodic current densities equal to that of palladium catalyst. Anodic current densities of 100 mA/sq cm at 0.060 V polarization have been obtained at temperatures of 60C, with fuel concentrations of 3M N2H4 in 5M KOH. The Fe hydrazine anode has operated well over 200 hours at 100 mA/sq cm (showing stable performance). The initial anode potential vs SCE under load was -1.20 V. This voltage was maintained with little variation through the life testing. (Author)