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COMPOSITION OF A NICKELATE COMPOSITE CATHODE FOR A FUEL CELL

United States Patent Application

20170125820
A1
View the Complete Application at the US Patent & Trademark Office
In some embodiments, a solid oxide fuel cell comprising an anode, an electrolyte, cathode barrier layer, a nickelate composite cathode separated from the electrolyte by the cathode barrier layer, and a cathode current collector layer is provided. The nickelate composite cathode includes a nickelate compound and second oxide material, which may be an ion conductor. The composite may further comprise a third oxide material. The composite may have the general formula (Ln.sub.uM1.sub.vM2.sub.s).sub.n+1(Ni.sub.1-tN.sub.t).sub.nO.sub.3n+1-A.s- ub.1-xB.sub.xO.sub.y-C.sub.wD.sub.zCe.sub.(1-w-z)O.sub.2-.delta., wherein A and B may be rare earth metals excluding ceria.
Jung, Hwa Young (Canton, OH), Jung, Minjae (Stow, OH), Liu, Zhien (Canton, OH), Goettler, Rich (Medina, OH)
LG Fuel Cell Systems Inc. (North Canton OH)
15/ 175,928
June 7, 2016
[0002] This invention was made with Government support under Assistance Agreement Nos. DE-FE0000303 and DE-FE0012077 awarded by Department of Energy. The Government has certain rights in this invention.