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Electrolytic copper foil is produced through an electroplating process involving the deposition of copper onto a conductive substrate. The equipment system for manufacturing electrolytic copper foil typically includes several key components:
Electroplating Tanks: These tanks contain the electrolyte solution (usually a copper sulfate solution) where the electroplating process occurs. The substrate material, often a thin sheet of metal, is immersed in this solution.
Power Supply: A direct current (DC) power supply is used to provide the electrical current necessary for the electroplating process. It's connected to the anode (usually made of pure copper) and the cathode (the substrate to be plated).
Anode and Cathode: The anode is the source of copper ions in the electrolyte solution, and it dissolves as copper is deposited onto the cathode (the substrate material). The cathode can be a rotating drum or a continuous strip that collects the deposited copper. Control Systems: These systems monitor and control various parameters such as voltage, current density, temperature, and agitation within the plating tanks. They ensure precise and consistent plating conditions, which are critical for high-quality copper foil production.
Filtration and Purification Systems: Electrolyte solutions need to be continuously filtered and purified to maintain the desired chemical composition, remove impurities, and ensure consistent plating quality.
Cleaning and Pre-treatment Equipment: Before plating, the substrate material needs to undergo cleaning and surface preparation to ensure proper adhesion of the copper layer. This may involve degreasing, etching, and surface activation processes.
Drying and Finishing Equipment: After the copper is deposited onto the substrate, it goes through drying and finishing processes to remove excess moisture, smoothen the surface, and achieve the desired thickness and quality standards.

Electrolytic copper foil production machine

Electrolytic copper foil production machine

The world's first cathode roll with diameter of 3.6m, maximum width of 1.8m, and lithium copper foil exceeding 3.5μm.Loadable current strength: 60KAGrain size grade: ASTM ≥ 10 (domestic average 7~8)The foil machine is the core key equipment for the preparation of very thin electrolytic copper foil, and its components mainly include electrolyzer, anode plate, cathode roller support conductive device, online polishing device, stripping and winding device, etc.It adopts all-titanium electrolytic cell welding technology, which has a service life of up to 10 years; the continuously optimized copper foil tension control program can make the tension fluctuation range of the copper foil extremely small under the high-speed winding condition; and it adopts an online monitoring system to ensure the uniformity of the thickness of the copper foil and reduce the appearance defects.With a width of more than 1.8 meters and a running speed of more than 20m/min, the foil generator can produce very thin copper foils of 6 microns and below.

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Electrolytic copper foil production machine

Electrolytic copper foil production machine

Product name: Electrolytic copper foil production machine
Product overview: It is a composite equipment that integrates electrolysis, deposition, foil collection, surface treatment, and other functions. They are used to produce high-quality electrolytic copper foil.
Scope of application: printed circuit boards, lithium-ion batteries, electronic components, and other fields.
Performance parameters: Independently developed Mitsubishi/Lenz tension control system,
tension control accuracy ± 3N, production line speed fluctuation value: ± 0.02 m/min
Rewinding design achieves maximum diameter φ660-1000mm
Oscillation frequency 0~300 times/min (stepless speed regulation)
Visual current detection design, the polishing wheel polishing pressure can be directly read
Product after-sales service: We provide timely, high-quality new anode manufacturing and old anode recoating services worldwide.

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Titanium Cathode Drum

Titanium Cathode Drum

Maximum carrying current intensity: 50-75KA
Grain size grade: ASTM ≥ 10
Seamless anode roll diameter: 2016-3600mm, web width: 1020-1820mm
Lithium battery copper foil breakthrough 3.5μm
Anode roll surface Ra0.3μm, coaxiality: ±0.05mm,
straightness: ±0.05mm

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Copper foil surface treatment machine

Copper foil surface treatment machine

Product name: Copper foil surface treatment machine
Product Overview: A device specially used for surface treatment of electrolytic copper foil, aiming to improve the performance of copper foil.
Equipment composition: rewinding and unwinding device, detection system, power system, conductive system,
Spray washing and drying device, spray device, liquid roller transmission sealing device,
Safety/protection devices, electrical equipment, and control systems, electrolytic water washing tanks, etc.
Product after-sales service: We provide timely, high-quality new anode manufacturing and old anode recoating services worldwide.

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Titanium Anode Tank

Titanium Anode Tank

Product name: Titanium Anode Tank
Product overview: It plays an important role in the production process of electrolytic copper foil. Its performance and quality directly affect the quality and output of copper foil.
Product advantages: good electrochemical performance, corrosion resistance, high-precision processing, reasonable and safe structure, etc.
Technical advantages:
a. Independently developed all-titanium welding technology
b. High precision: inner arc surface roughness ≤ Ra1.6
c. High rigidity: coaxially ≤±0.15mm; diagonal ≤±0.5mm, width ≤±0.1mm
d. High strength: no leakage within 5 years
e. Full specifications: Possessing the design and manufacturing capabilities for anode slots with a diameter of 500~3600mm
Product after-sales service: We provide timely, high-quality new anode manufacturing and old anode recoating services worldwide.

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Copper Foil Anode

Copper Foil Anode

Product name: Copper Foil Anode
Product Overview: It is an electrolysis equipment used in the production process of copper foil. Its main function is to perform an electrolysis reaction on the titanium anode plate and reduce copper ions into the copper foil.
Product advantages: excellent electrochemical performance, corrosion resistance, precision processing, reasonable structure, safety, and reliability.
Technical advantages:
Long life: ≥40000kAh m-2 (or 8 months)
High uniformity: coating thickness deviation ±0.25μm
High conductivity: oxygen evolution potential ≤1.365V vs. Ag/AgCl, working condition cell voltage ≤4.6V
Low cost: Multi-layer composite electrode preparation technology reduces cell voltage by 15% and cost by 5%
Product after-sales service: We provide timely, high-quality new anode manufacturing and old anode recoating services worldwide.

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High efficiency Copper Dissolution Tank

High efficiency Copper Dissolution Tank

Product name: High efficiency Copper Dissolution Tank
Product Overview: It is a device used to dissolve copper in the copper foil production process. Its main function is to dissolve copper ions in water to form an electrolyte.
Product advantages: efficient dissolution, stable operation, environmental protection and energy saving, easy maintenance, and high safety.
Technical advantages:
1. Maximize the copper-melting reaction speed and heat release without steam heating.
The negative pressure air formed in the tank is self-primed to reduce energy consumption.
2. The self-developed system improves the copper dissolving efficiency, and the copper dissolving efficiency can reach 260kg/h.
3. The guaranteed copper amount is ≤35 tons (the industry average is 80~90 tons), reducing system costs.
Product after-sales service: We provide timely, high-quality new anode manufacturing and old anode recoating services worldwide.

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