Oxide modified air electrode surface for high temperature electrochemical cells

Patent · Tue Apr 21 00:00:00 EDT 1992

OSTI ID:5138146

Singh, P; Ruka, R J

This patent describes an electrochemical cell. It comprises a porous cermet electrode and a porous lanthanum manganite electrode, with stabilized zirconia solid oxide electrolyte therebetween, where the lanthanum manganite electrode surface next to the electrolyte contains a porous, discontinuous layer of a material selected from the group consisting of cerium oxide, praseodymium oxide and mixtures thereof, and where the electrolyte contacts both the lanthanum manganite and the discontinuous oxide layer.

• Assignee: Westinghouse Electric Corp., Pittsburgh, PA (United States)
• Patent Number(s): US 5106706; A
• Application Number: PPN: US 7-599530
• OSTI ID: 5138146
• Resource Relation: Patent File Date: 18 Oct 1990
• Country of Publication: United States
• Language: English

Related Subjects

30 DIRECT ENERGY CONVERSION
36 MATERIALS SCIENCE
ELECTRODES
MATERIALS TESTING
HIGH-TEMPERATURE FUEL CELLS
CERIUM OXIDES
ELECTRICAL PROPERTIES
ELECTROCHEMISTRY
POROUS MATERIALS
PRASEODYMIUM OXIDES
SOLID ELECTROLYTE FUEL CELLS
ZIRCONIUM OXIDES
CERIUM COMPOUNDS
CHALCOGENIDES
CHEMISTRY
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
FUEL CELLS
MATERIALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PRASEODYMIUM COMPOUNDS
RARE EARTH COMPOUNDS
TESTING
TRANSITION ELEMENT COMPOUNDS
ZIRCONIUM COMPOUNDS
300503* - Fuel Cells- Materials
Components
& Auxiliaries
300505 - Fuel Cells- Electrochemistry
Mass Transfer & Thermodynamics
360204 - Ceramics
Cermets
& Refractories- Physical Properties