Barium oxide, calcium oxide, magnesia, and alkali oxide free glass

A glass composition consisting essentially of about 10-45 mole percent of SrO; about 35-75 mole percent SiO2; one or more compounds from the group of compounds consisting of La2O3, Al2O3, B2O3, and Ni; the La2O3 less than about 20 mole percent; the Al2O3 less than about 25 mole percent; the B2O3 les...

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Bibliographische Detailangaben
Hauptverfasser:	MAHAPATRA MANOJ KUMAR, LU PEIZHEN KATHY
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	A glass composition consisting essentially of about 10-45 mole percent of SrO; about 35-75 mole percent SiO2; one or more compounds from the group of compounds consisting of La2O3, Al2O3, B2O3, and Ni; the La2O3 less than about 20 mole percent; the Al2O3 less than about 25 mole percent; the B2O3 less than about 15 mole percent; and the Ni less than about 5 mole percent. Preferably, the glass is substantially free of barium oxide, calcium oxide, magnesia, and alkali oxide. Preferably, the glass is used as a seal in a solid oxide fuel/electrolyzer cell (SOFC) stack. The SOFC stack comprises a plurality of SOFCs connected by one or more interconnect and manifold materials and sealed by the glass. Preferably, each SOFC comprises an anode, a cathode, and a solid electrolyte.