Carbon Coated Copper Foil Collector For Lithium Battery Current Collector

Surface modification of battery collector using functional coatings is a breakthrough technological innovation.The modified copper foil is a functional layer which is coated on the surface of copper foil with a variety of conductive materials or one of them,forming a fine two dimensional or multidimensional conductive network structure, and then collocating the conductive resin suitable for water system.Through the combination of theoretical simulation calculation and many experiments the optimal ratio structure and process strip are found out.Piece.The process can make the coating thickness thinner the coating resistance lower and the adhesion ability stronger in order to effectively improve the electrochemical performance and product stability of lithium battery especially for silicon carbon battery system.

Place of Origin Shenzhen, China
Application Li-ion
Width 201mm
Grade Copper and Carbon
Processing Service Welding, Cutting
Application lithium ion battery anode current collector
Width 100~1300mm, 200mm,customized
Purity More than 99.99%
Sample packing 2kg/roll
Width size Sample is 200mm (can be customized )
Shape Roll
Type Double Conductive Copper Foil Tape





1. High Conductivity: Carbon-coated copper foil boasts high electrical conductivity, making it an excellent material to efficiently collect current in lithium battery systems.

2. Low Internal Resistance: Carbon coating on copper foil helps lower internal resistance of batteries, leading to improved energy efficiency and longer battery lifespan.

3. Chemical Stability: The carbon coating provides chemical resistance, protecting copper foil against electrolytes that could corrode it and prolonging battery lifespan and durability.

4. Increased adhesion: The carbon coating encourages increased adhesion between copper foil and active materials, providing strong bonding while decreasing risk of delamination or detachment during battery operation.

5. Uniformity: Uniform carbon coating helps ensure uniform current density distribution across electrode surfaces, thus minimizing hotspots and increasing safety and stability of batteries.

6. Surface Smoothness: Carbon-coated copper foil typically features a smoother surface than its uncoated counterpart, providing better contact between active materials and increasing battery efficiency overall.

7. Lightweight and Flexible: Carbon-coated copper foil is lightweight and flexible, making it suitable for numerous manufacturing processes and battery designs, including those requiring bending or shaping.

8. Heat Dissipation: Copper has excellent thermal conductivity, while carbon coating further aids heat dissipation – helping ensure optimal operating temperatures within battery cells.

9. Compatibility: Carbon-coated copper foil is compatible with all types of lithium batteries, including lithium-ion, lithium polymer and other lithium technologies, making it an excellent option for various lithium battery applications.

10. Scalability and Availabilty: Carbon-coated copper foil is readily accessible for lithium battery manufacturers and easy to implement into large-scale production processes, providing them with easy integration.



◎ Lithium-ion batteries for electric vehicles and、energy storage(LFP、LMFP、LMO、NCM、NCA、LNM、LTO)

◎ Lithium-ion batteries for 3C productions(LCO、LMO)

◎ Supercapacitor

◎ Lithium-ion capacitor

◎ Lithium ion battery in water system

◎ Alkaline batteries

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