A porous anode layer system has at least two layers in which primary layer contains zirconium as main component and secondary layer comprises cerium as main component. The porous anode layer system has total porosity of 30 volume% or more. Independent clai...

A high-efficiency liquid fuel cell comprises, as an assembly, a negative or hydrogen electrode made from a hydrogen absorbing alloy such as LaNiAl preferably fluorinated on the surface, an aqueous alkaline electrolyte solution in contact with the hydrogen ...