Electrolytic copper foil uses a metal roller that is partially immersed in copper sulfate solution and continuously rotates as the cathode to produce spinach through electrolysis.
Titanium anode parameters for electrolytic copper foil
1. Working conditions:
H2SO4≤15% Pb＜50ppm F-＜10ppm
Cl-＜60ppm Gel content content＜10ppm
2. Temperature: T＜60℃
3. Current density: I＜7000A/m2
4. Anode size: 7*280*1375 (a set of 16 pieces)
5. Life expectancy: 40000KAH (8 months of continuous life is 5760h)
How to electrolytically extract copper foil？
During electrolysis, the cations in the electrolyte migrate to the cathode, and the electrons obtained on the anode are reduced. Anions run to the anode and lose electrons and are oxidized. Connect two electrodes in the copper sulfate solution and pass a direct current. At this time, you will find that copper and hydrogen are deposited on the electrode plate connected to the cathode of the power source. If it is a copper anode, the dissolution of copper and the precipitation of oxygen occur simultaneously. The response is as follows:
Cathode: Cu2+ +2e &rarr
2Cu2H+ +2e → H2&uarr
Anode: 4OH- +4e → 2H2O + O2&uarr
2S042-+2H2O -4e → 2H2S04 + O2&uarr
The copper dissolved from the anode supplements the consumption of copper ions in the electrolyte. After a certain treatment on the surface of the cathode, the copper layer deposited on the cathode can be peeled off, and a copper skin of a certain thickness will be obtained. The copper sheet with certain functions is called copper foil.
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