Method for producing 6-mu m ultra-thin electrolytic copper foil
An electrolytic copper foil, ultra-thin technology, applied in the electrolysis process, electroforming, etc., can solve the problems of decreased elongation, inconvenient operation, and difficulty in maintaining stable quality, and achieve the effect of neat distribution and fine and uniform crystal structure
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[0014] Electrolyte preparation is to add needle copper material, sulfuric acid and deionized water into the copper-dissolving tank, and at a constant temperature of 55 degrees, continuously feed oxygen into the copper-dissolving tank, and through the oxidation reaction process, the copper sulfate aqueous solution is finally obtained. In the production process of copper foil, the electrolyte is recycled, and the electrolytic copper is continuously precipitated from the cathode, thereby continuously consuming the copper in the electrolyte, and the copper in the electrolyte is continuously dissolved by the copper dissolving tank to supplement the copper consumed in the electrolyte, so that The copper content in the electrolyte is always in balance. In the process of electrolyte preparation, not only the continuous circulation of the electrolyte must be ensured, but also the composition of the electrolyte should be adjusted and stably controlled in time. The composition of the elec...
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