Aluminum alloy foil for electrode collector and production method therefor
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United States of America Patent
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Feb 9, 2021
Grant Date -
Sep 18, 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 and a manufacturing method thereof, the foil having a high strength and high strength after a drying process after the application of the active material while keeping a high electrical conductivity. Disclosed is a method for manufacturing an aluminum alloy foil for electrode current collector, including: forming by continuous casting an aluminum alloy sheet containing 0.03 to 1.0% of Fe, 0.01 to 0.2% of Si, 0.0001 to 0.2% of Cu, with the rest being Al and unavoidable impurities, performing cold rolling to the aluminum alloy sheet at a cold rolling reduction of 80% or lower, and performing heat treatment at 550 to 620° C. for 1 to 15 hours.
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International Classification(s)
- H01M:PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT....
- H01B:CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATER....
- C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....
- B22D:CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY ....
- C22C:ALLOYS
- H01G:CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWI....
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