METHOD FOR MANUFACTURING ELECTROLYTIC COPPER FOIL
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United States of America
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Issued Date -
Oct 31, 2024
app pub date -
Mar 28, 2023
filing date -
Mar 28, 2023
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Abstract
A method for manufacturing an electrolytic copper foil according to one embodiment of the present disclosure includes: preparing an electrolyte containing copper ion and nickel ion by dissolving copper (Cu) and nickel (Ni) in sulfuric acid; and forming a copper layer by supplying an electric current to a positive plate and a negative electrode rotating drum disposed apart from each other in the electrolyte. The concentration of the nickel ion is 50 ppm to 350 ppm.
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