BATTERY JAR FOR SODIUM-SULFUR BATTERY

PURPOSE:To provide a battery jar for a sodium-sulfur battery having high corrosion resistance against sodium polysulfide. CONSTITUTION:The battery jar of a sodium-sulfur battery having a sealed positive electrode chamber is made of iron containing one kind of metal selected from at least niobium and...

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Bibliographische Detailangaben
Hauptverfasser:	CHIYOU TEKI, NOMURA EIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRICITY FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a battery jar for a sodium-sulfur battery having high corrosion resistance against sodium polysulfide. CONSTITUTION:The battery jar of a sodium-sulfur battery having a sealed positive electrode chamber is made of iron containing one kind of metal selected from at least niobium and zirconium an also containing carbon of 0.05% or less and titanium of 0.05 to 0.5% and a chromium-iron alloy layer is formed on the surface of the iron by chromizing process. The life of the sodium-sulfur battery can be prolonged.