Single Sided Double Sided Carbon Coated Copper Foil Lithium Sulfur Battery
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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.

