Electrolytic copper foil additive for high-tensile lithium battery, electrolytic copper foil and preparation method

The invention provides an electrolytic copper foil additive for a high-tensile lithium battery, an electrolytic copper foil and a preparation method, and belongs to the technical field of electrolytic copper foils. The additive comprises the following components in concentration: 10 to 60 mg/L of su...

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Hauptverfasser: CUI FENGJIAO, JEON DUCK-HO, KIM JONG-KWON, JEON NAM-WOOK
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creator CUI FENGJIAO
JEON DUCK-HO
KIM JONG-KWON
JEON NAM-WOOK
description The invention provides an electrolytic copper foil additive for a high-tensile lithium battery, an electrolytic copper foil and a preparation method, and belongs to the technical field of electrolytic copper foils. The additive comprises the following components in concentration: 10 to 60 mg/L of sulfur-containing heterocyclic compound, 20 to 70 mg/L of nitrogen-containing polymer compound, 30 to 100 mg/L of block polyether compound and 100 to 150 mg/L of composite high-resistance agent combination. By controlling the proportion and dosage of several additives, the tensile strength of the copper foil in elastic deformation can be effectively improved, and the copper foil has certain elongation and meets the physical property requirement of the ultrahigh-strength battery foil; the composite high-resistance agent combination containing sulfydryl and dimethyl dithiocarbamate is added into the additive, the wetting effect is achieved, the flatness of the foil surface is greatly improved by combining the additive
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subjects APPARATUS THEREFOR
CHEMISTRY
ELECTROFORMING
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
METALLURGY
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
title Electrolytic copper foil additive for high-tensile lithium battery, electrolytic copper foil and preparation method
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