PROCESS FOR PRODUCING SURFACE-TREATED STEEL SHEET FOR BATTERY CASE

A surface-treated steel sheet for battery cases is provided which comprises a nickel-cobalt alloy layer formed at the outermost surface of a plane to be an inner surface of a battery case. When X-ray diffraction measurement using CuK± as a radiation source is performed for the nickel-cobalt alloy la...

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Bibliographische Detailangaben
Hauptverfasser:	HORIE, Shinichirou, TOMOMORI, Tatsuo, YOSHIOKA, Koh
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY PERFORMING OPERATIONS PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A surface-treated steel sheet for battery cases is provided which comprises a nickel-cobalt alloy layer formed at the outermost surface of a plane to be an inner surface of a battery case. When X-ray diffraction measurement using CuK± as a radiation source is performed for the nickel-cobalt alloy layer, an intensity ratio I A /I B =0.01 to 0.9. The intensity ratio I A /I B is a ratio of an intensity I A of a peak present at a diffraction angle 2¸ within a range of 41° or more and less than 43° to an intensity I B of a peak present at a diffraction angle 2¸ within a range of 43° or more and 45° or less.