METHOD FOR PREPARING SOLID STATE IONIC CONDUCTOR

1,202,260. Ionic refractories. FORD MOTOR CO. Ltd. 21 Nov., 1967 [21 Nov., 1966], No. 52849/67. Heading ClJ. [Also in Division H1] Alumina is mixed with a smaller amount of a Na 2 O/Li 2 O mixture (Na 2 OÀ> Li 2 O) and heated until a first, but terminated before conversion to a second, cationical...

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Bibliographische Detailangaben
1. Verfasser:	GERALD J. TENNENHOUSE
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CABLES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS CONCRETE CONDUCTORS ELECTRICITY INORGANIC CHEMISTRY INSULATORS LIME, MAGNESIA METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REFRACTORIES SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SLAG TREATMENT OF NATURAL STONE
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Zusammenfassung:	1,202,260. Ionic refractories. FORD MOTOR CO. Ltd. 21 Nov., 1967 [21 Nov., 1966], No. 52849/67. Heading ClJ. [Also in Division H1] Alumina is mixed with a smaller amount of a Na 2 O/Li 2 O mixture (Na 2 OÀ> Li 2 O) and heated until a first, but terminated before conversion to a second, cationically conductive crystalline form occurs, compressed to the desired shape and size and sintered at a temperature and for a time sufficient to unite the individual crystals but insufficient to convert them to the second form. Specified temperatures are 900-1650 C. for crystal formation and 1400-1650 C. for sintering. At least 80% Al 2 O 3 is present together with 5-15% Na 2 O and at least 0À1% Li 2 O.