Porous sintered bodies and solid oxide fuel cells using such porous sintered bodies as air electrodes
Patent 5489483 Issued on February 6, 1996. Estimated Expiration Date: 
August 29, 2014. 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.
August 29, 2014. 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 ReferencesThin tubular self-supporting electrode for solid oxide electrolyte electrochemical cells Solid oxide electrolyte type fuel cell and method for fabricating the same Method of producing an air electrode material for solid electrolyte type fuel cells Electrode and method of interconnection sintering on an electrode of an electrochemical cell Air electrode and solid electrolyte fuel cell having the same Patent #: 5308712 InventorsAssigneeApplicationNo. 297096 filed on 08/29/1994US Classes:429/27, Active material electrode-type cell or subcombination thereof429/30, Solid electrolyte429/45, Of sintered particles429/224Manganese component is active materialExaminersPrimary: Skapars, AnthonyAttorney, Agent or FirmForeign Patent References
International ClassesH01M 012/06H01M 004/86 Foreign Application Priority Data1993-09-03 JPAbstractA porous sintered body is composed of a perovskite-type composite oxide, wherein A-site of the composite oxide are occupied by one or more kinds of first metallic elements selected from the group consisting of calcium and strontium, one or more kinds of second metal elements selected from the group consisting of rare earth elements and yttrium excluding lanthanum and cerium, and lanthanum, the above one or more kinds of the first metallic elements amount to 5 to 70 mol % of the A-sites, and manganese is contained in B-sites of the composite oxide. |
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