ELECTROLYTIC COPPER FOIL, AND NEGATIVE ELECTRODE COLLECTOR FOR SECONDARY BATTERY

Present invention provides an electrolytic copper foil having a high normal tensile strength and a resistance to the lowering of the tensile strength after thermal treatment. An electrolytic copper foil having a normal tensile strength of 500-750MPa and a tensile strength after heating at 400°C for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ISHII, Masafumi, KOHIKI, Michiya
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	Present invention provides an electrolytic copper foil having a high normal tensile strength and a resistance to the lowering of the tensile strength after thermal treatment. An electrolytic copper foil having a normal tensile strength of 500-750MPa and a tensile strength after heating at 400°C for one hour of at least 350MPa.