Single Sided Double Sided Carbon Coated Copper Foil Lithium Sulfur Battery

Model:Carbon-Coated Copper Foil
Coating Thickness​​:1μm (single side)
Surface Resistivity​:<30Ω/25μm²
​​Total Width​: 227±1mm
​​​Base Foil Thickness​:10±1.0μm (copper)
​​​Copper Purity​: >99.99%
​​​Total Thickness​: 12±1μm (post-coating)
MOQ: 1m
Leading time: 5-8 days

Single-sided Carbon-coated Copper Foil University Experimental Lithium Battery Current Collector Double-sided Carbon-coated Copper Foil Lithium-sulfur Battery Grade Copper Foil

1. Product Overview​

Our ​​Carbon-Coated Copper Foil​​ is a ​​high-performance conductive substrate​​ designed for ​​lithium-ion battery anodes​​, particularly for ​​high-energy-density applications​​. With a ​​uniform carbon coating​​ and ​​ultra-high-purity copper base​​, this foil enhances ​​electrode conductivity, adhesion, and cycle stability​​, making it ideal for ​​EV batteries, energy storage, and consumer electronics​​.

2. Key Features​

​Superior Conductivity​​:

  • ​Surface resistivity <30Ω/25μm²​​ (low impedance for efficient charge transfer).
  • ​Copper purity >99.99%!​​(MISSING) ensures minimal energy loss.
    ​Mechanical Strength​​:
  • ​Tensile strength ≥265MPa​​ and ​​elongation rate ≤6.0%!​​(MISSING) (resists cracking during electrode processing).
    Precision Coating​​:
  • ​Single-side carbon layer (1μm)​​ + ​​total thickness 12±1μm​​ (uniform and controllable).
    Customizable Dimensions​​:
  • Standard width: ​​260±1mm​​ (coating width: ​​227±1mm​​).

3. Technical Specifications​

​Parameter​ ​Specification​
​Coating Thickness​ 1μm (single side)
​Surface Resistivity​ <30Ω/25μm²
​Total Width​ 260±1mm
​Coating Width (S1)​ 227±1mm
​Base Foil Thickness​ 10±1.0μm (copper)
​Copper Purity​ >99.99%!
​Total Thickness​ 12±1μm (post-coating)
​Tensile Strength​ ≥265MPa
​Elongation Rate​ 22%!,(MISSING) ≤6.0%!

4. Applications​

  • ​Lithium-Ion Batteries​​: Improves ​​anode performance​​ for silicon-carbon (Si-C) and graphite systems.
  • ​High-Power Devices​​: Supports fast charging/discharging in ​​EVs and drones​​.
  • ​Thin-Film Electronics​​: Used in ​​flexible circuits and sensors​​.

5. Why Choose Our Carbon-Coated Foil?​

Enhanced Battery Life​​: Reduces ​​delamination risks​​ during cycling.
Process Compatibility​​: Suitable for ​​slurry coating, calendering, and stacking​​.
Quality Consistency​​: Strict ​​±1μm tolerance control​​ for industrial-scale production.