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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Bibliographische Detailangaben
Veröffentlicht in:	Journal of the Electrochemical Society 1992-03, Vol.139 (3), p.667-671
Hauptverfasser:	OTA, K.-I, MITSUSHIMA, S, KATO, S, ASANO, S, YOSHITAKE, H, KAMIYA, N
Format:	Artikel
Sprache:	eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	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.
ISSN:	0013-4651 1945-7111
DOI:	10.1149/1.2069282