Production process of PET composite copper foil

Production process:PET composite copper foilThe production process involves first using vacuum magnetron sputtering to create a metal layer on the surface of PET, and then using aqueous medium electroplating to thicken the copper layer and form PET composite copper foil. The PET copper plating equipment mainly includes vacuum magnetron sputtering equipment and electroplating equipment: the former is used to produce copper seed layers (20-80nm), while the latter is used to thicken the copper layer (1um).

Advantages of PET composite copper foil process: 1. The process flow is greatly shortened, using vacuum coating technology as the cathode, which can be directly reacted in ion exchange equipment, and the vacuum process is pollution-free; 2. Adopting a new type of pharmaceutical system avoids highly toxic substances such as cyanide, resulting in less pollution during the production process and easier disposal of pollutants; 3. Organic antioxidant solution is used for antioxidant treatment, and the antioxidant is directly dried. The chemicals are recycled to avoid the emission of metal pollutants.

2.2 PET composite copper foil equipment

We calculate the market space for PET composite copper foil electroplating equipment based on the following assumptions: (1) According to GGII data, the shipment volume of lithium batteries in China in 2021 is 327GWh, and it is expected to exceed 600GWh in 2022. It is expected that the shipment volume of the Chinese lithium battery market will exceed 1450GWh in 2025; (2) PET composite copper foil has strong advantages in safety and cost, and it is expected that the penetration rate of PET composite copper foil will gradually increase; (3) According to industry research, assuming that the cathode material area required for a 1GWh battery is 10 million square meters, the annual coating area of the horizontal coating equipment is 3 million square meters, and the unit price of the coating equipment is 11 million yuan. According to calculations, the market size of PET electroplating equipment is expected to reach 13.293 billion yuan by 2025.