Weight reduction
Substantial weight savings a 4.5 ?m PET carrier foil
Increased battery safety
Supports composite foils insulation characteristic
High-performance durability
Maintains mechanical properties under demanding conditions
- Low stress, high ductility: Ensures minimal warpage and maximum flexibility for battery production.
- Superior tensile strength: Achieves up to 240 MPa for reliable durability.
- Low internal resistance: Optimized conductivity with sheet resistance <26 mOhm.
- Efficient thickness distribution: Even copper layer distribution across PET foil.
- High line speed compatibility: Runs effectively at 10m/min in reel-to-reel processing.
- Sustainable production: Reduced chemical consumption with a low-temperature Redox system.
CuFoil PET2
Revolutionizing composite foils for advanced battery applications
The CuFoil PET2 copper plating process is a cutting-edge solution for manufacturing lightweight, high-performance composite foils, ideal for lithium-ion batteries and other advanced technologies. By applying a uniform 1?m copper layer on PVD copper seed layers, CuFoil PET2 meets stringent industry demands for strength, conductivity, and weight optimization.
Delivering exceptional mechanical properties with tensile strengths of 180¨C240 MPa and elongation of up to 15%, CuFoil PET2 ensures durability and flexibility even in challenging conditions. With sheet resistance under 26 m¦¸ and the ability to operate at production speeds of up to 10 meters per minute, CuFoil PET2 combines efficiency and precision, setting a new standard in battery current collector technology.
What inspires us
Why we developed CuFoil PET2
Your challenge
Manufacturing copper composite foils for advanced applications, such as lithium-ion batteries, presents several significant challenges. Achieving a balance between mechanical strength, flexibility, and electrical conductivity while reducing weight is a demanding task. Traditional processes often struggle with uniform copper deposition, resulting in inconsistencies in foil thickness and sheet resistance. Additionally, maintaining production efficiency at high line speeds without compromising quality poses a significant hurdle. The need for cost-effective, lightweight materials that can withstand the mechanical stresses of assembly and operation further adds to the complexity.
Our solution
The CuFoil PET2 copper plating process addresses these challenges with precision and innovation. By applying a uniform 1?m copper layer on PVD copper seed layers, CuFoil PET2 delivers consistent thickness and exceptional electrical performance with sheet resistance under 26 m¦¸. The process achieves tensile strengths of 180¨C240 MPa and elongation up to 15%, ensuring robust and flexible foils that meet the rigorous demands of modern battery manufacturing. Operating at high production speeds of up to 10 meters per minute, the CuFoil PET2 process enhances efficiency without compromising quality, offering a lightweight, high-performance solution that sets a new benchmark for copper composite foil production.









