Solubilities of nickel oxide in molten carbonate

Dissolution of NiO cathodes in molten carbonate shortens life of molten carbonate fuel cells. Solubility increases with CO sub 2 pressure and decreases with Li concentration and temp., but is insensitive to water vapor and O sub 2 pressure.

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Bibliographic Details
Published inJournal of the Electrochemical Society Vol. 139; no. 3; pp. 667 - 671
Main Authors OTA, K.-I, MITSUSHIMA, S, KATO, S, ASANO, S, YOSHITAKE, H, KAMIYA, N
Format Conference Proceeding Journal Article
LanguageEnglish
Published Pennington, NJ Electrochemical Society 01.03.1992
Subjects
30 DIRECT ENERGY CONVERSION
300501 - Fuel Cells- Design & Development
300503 - Fuel Cells- Materials, Components, & Auxiliaries
300505 - Fuel Cells- Electrochemistry, Mass Transfer & Thermodynamics
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON OXIDES
CATHODES
CHALCOGENIDES
CHEMICAL COMPOSITION
Chemistry
DIRECT ENERGY CONVERTERS
ELECTROCHEMICAL CELLS
ELECTRODES
Exact sciences and technology
FABRICATION
FUEL CELLS
General and physical chemistry
HIGH-TEMPERATURE FUEL CELLS
MATERIALS TESTING
MOLTEN CARBONATE FUEL CELLS
NICKEL COMPOUNDS
NICKEL OXIDES
OXIDES
OXYGEN COMPOUNDS
PRESSURE GRADIENTS
SOLUBILITY
Solutions
STABILITY
TEMPERATURE RANGE
TEMPERATURE RANGE 0400-1000 K
TESTING
TRANSITION ELEMENT COMPOUNDS
Lithium Carbonates
Temperature
Potassium Carbonates
Nickel Oxides
Sodium Carbonates
Eutectic
Carbon dioxide
Solubility
Experimental study
Pressure
Molten salt
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Summary:Dissolution of NiO cathodes in molten carbonate shortens life of molten carbonate fuel cells. Solubility increases with CO sub 2 pressure and decreases with Li concentration and temp., but is insensitive to water vapor and O sub 2 pressure.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0013-4651
1945-7111
DOI:10.1149/1.2069282