Aluminum alloy foil for electrode collectors and production method therefor
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United States of America Patent
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Jan 10, 2017
Grant Date -
Jun 26, 2014
app pub date -
Jul 29, 2011
filing date -
Jul 29, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An object of the present invention is to provide an aluminum alloy foil for an electrode current collector, the foil having a high strength after the drying step while keeping a high electrical conductivity. Disclosed is a method for manufacturing an aluminum alloy foil for electrode current collector, including: maintaining an aluminum alloy ingot comprising 0.1 to 0.5% of Fe, 0.01 to 0.3% of Si, 0.01 to 0.2% of Cu, 0.01% or less of Mn, with the rest being Al and unavoidable impurities, at 550 to 620° C. for 1 to 20 hours, and subjecting the resulting ingot under a hot rolling with a starting temperature of 500° C. or higher and an end-point temperature of 255 to 300° C.
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International Classification(s)
- H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
- B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....
- C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....
- B22D:CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY ....
- B21B:ROLLING OF METAL
- C22C:ALLOYS
- H01G:CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWI....
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