Patent ID: 6737186
Filing Date: 2004-05-18
Classification: C22C,H01M,Y02E,Y02P

Abstract:
In a current collector made from ferritic iron alloy for electrically connecting and mechanically supporting a stack of individual, planar SOFC high-temperature fuel cells having an anode, an electrolyte, and a cathode, and operating at temperatures of between 700Â° C. and 900Â° C., and being equipped with a solid electrolyte, the improvement wherein the ferritic material comprises:more than 68% by weight of Fe and standard impurities; 22 to 32% by weight of Cr; 1 to 10% by weight of Mo; and 0.01 to 1.5% by weight of at least one material selected from the group consisting of yttrium, rare earth metals, and oxides thereof.