Oxide modified air electrode surface for high temperature electrochemical cells
Patent 5106706 Issued on April 21, 1992. Estimated Expiration Date: 
October 18, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 18, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesHigh temperature solid electrolyte fuel cell configurations and interconnections Protective interlayer for high temperature solid electrolyte electrochemical cells Air electrode material for high temperature electrochemical cells Devices capable of removing silicon and aluminum from gaseous atmospheres Electrochemical generator apparatus containing modified fuel electrodes for use with hydrocarbon fuels Patent #: 4894297 InventorsAssigneeApplicationNo. 599530 filed on 10/18/1990US Classes:429/31, Tubular429/33, Electrolyte composition chemically specified429/40Catalytic electrode structure or compositionExaminersPrimary: Skapars, AnthonyAttorney, Agent or FirmInternational ClassH01M 008/10AbstractAn electrochemical cell is made having a porous cermet electrode (16) and a porous lanthanum manganite electrode (14), with solid oxide electrolyte (15) between them, where the lanthanum manganite surface next to the electrolyte contains a thin discontinuous layer of high surface area cerium oxide and/or praseodymium oxide, preferably as discrete particles (30) in contact with the air electrode and electrolyte.Other References
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