An electrolytic copper foil with additives and a lithium ion battery 7μm bifocal electrolytic copper foil production process

The present invention relates to an electrolytic copper foil additive is an aqueous solution containing gelatin and industrial brightener DPS, DPS additive concentration is 5-15g / l, the concentration of industrial gelatin 1-4g / l. The present invention also discloses a battery prepared using the additive 7μm bifocal electrolytic copper foil production processes of lithium ions. The lower cost additive, electrolytic copper foil produced by the specified performance requirements, a lithium battery may be a copper foil.