High performance solid oxide fuel cell cathode fabricated by electrochemical vapor deposition
Journal Article
·
· Journal of the Electrochemical Society; (United States)
- Osaka Gas Co. Ltd. (Japan). Fundamental Research Labs.
La(Sr)MnO[sub 3] cathodes have been investigated as high temperature oxygen reduction electrodes in the solid oxide fuel cells (SOFCs). The cathodes consist of 10 mole percent of yttria stabilized zirconia (YSZ) thin film electrolyte layer deposited on a porous La[sub 0.81]Sr[sub 0.09]MnO[sub 3] tube using the electrochemical vapor deposition method. The La(Sr)MnO[sub 3]/YSZ cathodes have different electrochemical properties from those fabricated with the sintering method. The cathode polarization was about 1 mV at a current density of 1.5 A/cm[sup 2] in oxygen at 1,000 C. This type of cathode has an extremely large phase boundary and large interfacial capacitance (more than 1 F/cm[sup 2]) which is approximately proportional to the oxygen partial pressure.
- OSTI ID:
- 7186588
- Journal Information:
- Journal of the Electrochemical Society; (United States), Journal Name: Journal of the Electrochemical Society; (United States) Vol. 141:7; ISSN JESOAN; ISSN 0013-4651
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
30 DIRECT ENERGY CONVERSION
300503* -- Fuel Cells-- Materials
Components
& Auxiliaries
36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
ALKALINE EARTH METAL COMPOUNDS
CATHODES
CHALCOGENIDES
CHEMICAL COATING
CHEMICAL VAPOR DEPOSITION
COATINGS
DEPOSITION
DIRECT ENERGY CONVERTERS
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
ELECTRODEPOSITED COATINGS
ELECTRODEPOSITION
ELECTRODES
ELECTROLYSIS
FABRICATION
FUEL CELLS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LYSIS
MANGANESE COMPOUNDS
MANGANESE OXIDES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SOLID ELECTROLYTE FUEL CELLS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
VAPOR DEPOSITED COATINGS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
300503* -- Fuel Cells-- Materials
Components
& Auxiliaries
36 MATERIALS SCIENCE
360201 -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
ALKALINE EARTH METAL COMPOUNDS
CATHODES
CHALCOGENIDES
CHEMICAL COATING
CHEMICAL VAPOR DEPOSITION
COATINGS
DEPOSITION
DIRECT ENERGY CONVERTERS
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
ELECTRODEPOSITED COATINGS
ELECTRODEPOSITION
ELECTRODES
ELECTROLYSIS
FABRICATION
FUEL CELLS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LYSIS
MANGANESE COMPOUNDS
MANGANESE OXIDES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SOLID ELECTROLYTE FUEL CELLS
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
VAPOR DEPOSITED COATINGS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES