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.
