Carbon Coated Copper Foil for for Lithium Battery Raw Material
PRODUCT PARAMETERS
Description
Carbon Coated Copper Foil for Lithium Battery Raw Material | Conductive Coating | Gelon
Product Overview
Our Carbon Coated Copper Foil is an advanced anode substrate material specifically engineered for high-performance lithium-ion batteries. We developed this innovative material to replace conventional copper foil, offering significantly improved electrical properties and mechanical characteristics that enhance overall battery performance.
This carbon coated copper foil features a double-side carbon coating with 1 micron thickness on each side, creating an optimized interface between the current collector and electrode material. The conductive carbon layer provides multiple benefits that directly translate to better battery performance.
Furthermore, this material offers:
- Better electrical conductivity and less internal resistivity
- Improved mechanical strength and toughness to avoid short circuits caused by dendrite growth
- Better coating strength with electrode material for improved adhesion
- Larger discharging capability and longer service life for lithium-ion batteries
With copper purity >99.9%, 9μm copper thickness, and precise 0.54 g/m² coating density, this carbon coated copper foil delivers the quality and consistency required for professional battery manufacturing.
Business & Logistics Information
| Parameter | Details |
|---|---|
| Place of Origin | China |
| Brand Name | Gelon |
| Model Number | GN |
| Certification | CE |
| Minimum Order Quantity | 100 pcs |
| Packaging Details | Standard exported package: Internal anti-collision protection, external export wooden box packaging |
| Delivery Time | 15 days |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 5000 pcs per month |
| Warranty | 1 Year |
Why Choose Carbon Coated Copper Foil?
Conventional copper foil serves as a standard anode current collector, but it has limitations in terms of interface resistance and adhesion with electrode materials. Our carbon coated copper foil addresses these challenges through an engineered carbon layer that provides:
| Benefit | Description | Impact on Battery Performance |
|---|---|---|
| Enhanced Conductivity | Carbon coating reduces contact resistance between current collector and active material | Lower internal resistivity, higher rate capability |
| Improved Adhesion | Carbon layer provides better bonding surface for electrode coating | Reduced peeling, longer cycle life |
| Dendrite Suppression | Improved mechanical strength and toughness | Reduced risk of short circuits, enhanced safety |
| Uniform Current Distribution | Conductive coating ensures even current flow | More consistent electrode utilization, better capacity retention |
Key Material Properties
1. Precision Carbon Coating
- Double-side coating: 1 micron thickness on each side
- Coating density: 0.54 g/m²
- Surface resistivity: <30 ohms per 25μm²
- Uniform, consistent coverage for optimal performance
2. High-Purity Copper Substrate
- Copper purity: >99.9% – ensures excellent baseline conductivity
- Copper thickness: 9μm – optimal balance of conductivity and flexibility
- Coating width: ~239mm – suitable for standard electrode production
3. Enhanced Electrical Properties
The carbon coating significantly improves electrical performance by:
- Reducing contact resistance between current collector and active material
- Creating a more conductive interface for electron transport
- Enabling higher discharge rates and better rate capability
4. Improved Mechanical Performance
This carbon coated copper foil offers:
- Better mechanical strength for handling during coating and assembly
- Enhanced toughness to resist deformation
- Dendrite growth suppression for improved safety
5. Superior Electrode Adhesion
The carbon layer provides an ideal surface for electrode coating, resulting in:
- Better coating strength with active materials
- Reduced delamination during cycling
- Longer cycle life and improved capacity retention
Technical Specifications
| Parameter | Value | Remarks |
|---|---|---|
| Product Name | Conductive Carbon Coated Copper Foil | |
| Application | Battery Electrode Making | Anode current collector |
| Usage | Lithium Ion Battery Manufacturing | |
| Material | Copper with carbon coating | |
| Conductive Carbon Coating | Double side coating | 1 micron thickness each side |
| Coating Density | 0.54 g/m² | |
| Surface Resistivity | < 30 ohms per 25μm² | |
| Copper Purity | > 99.9% | |
| Copper Thickness | 9 μm | |
| Coating Width | ~ 239 mm | |
| Type | Roll / Sheet | Available in both formats |
| Certification | CE |
Applications
- Lithium Ion Battery Anodes: Current collector for graphite, LTO, and other anode materials
- High-Rate Batteries: Applications requiring high discharge capability
- Electric Vehicle Batteries: Enhanced performance for automotive applications
- Consumer Electronics: Improved cycle life for portable devices
- Energy Storage Systems: Long-life stationary storage applications
- Solid-State Batteries: Advanced anode substrate for next-generation batteries
Why Choose Gelon Carbon Coated Copper Foil
- Engineered for Performance: Our carbon coated copper foil is specifically designed to improve lithium battery performance through enhanced conductivity, better adhesion, and improved safety characteristics.
- Superior Electrical Properties: With surface resistivity <30 ohms per 25μm², this material ensures excellent current collection and distribution across the electrode.
- Precision Coating Control: The double-side 1μm carbon coating with 0.54 g/m² density provides consistent, uniform coverage for predictable performance.
- High-Purity Copper: >99.9% copper purity ensures optimal baseline conductivity and reliability.
- Enhanced Safety: The improved mechanical strength and toughness help suppress dendrite growth, reducing the risk of internal short circuits.
- Better Adhesion: The carbon layer provides an ideal surface for electrode coating, resulting in stronger bonding and longer cycle life.
- CE Certified: This material meets international quality and safety standards.
- Flexible Format Options: Available in both roll and sheet formats to suit your production process.
- Fast Delivery: With 15 days delivery time and 5000 pcs/month supply capacity, we ensure reliable availability.
Complete Battery Solutions from Gelon
This Carbon Coated Copper Foil is part of Gelon’s comprehensive lithium battery material and equipment offering:
1. Full Set of Lithium Battery Materials
- Cathode Materials: LiMn₂O₄, LTO, LiNiMnCoO₂ (NMC), LiCoO₂
- Anode Materials: Graphite (MCMB), natural graphite
- Current Collectors: Carbon coated copper foil, aluminum foil, standard copper foil
- Separators: Battery separator
- Aluminum Laminated Film: For pouch cell cases
- Electrolyte: Various formulations
- Other Accessories: Binders, conductive additives, tabs, and more
2. Full Set of Lithium Battery Production Equipment
Complete laboratory and production equipment including:
- Mixing machine → Coating machine → Oven → Rolling machine
- Slitting machine → Stacking machine → Winding machine → Sealing machine
- Vacuum ovens → Glove boxes → And more…
3. Full Set of Lithium Battery Technology
- Laboratory Design: We can design your battery lab according to your requirements
- Production Line Design: Complete production line layout and configuration
- Process Support: Technical guidance for battery manufacturing
Frequently Asked Questions (FAQ)
Q: What is carbon coated copper foil?
A: Carbon coated copper foil is a specialized anode current collector that features a thin conductive carbon layer (1μm each side) applied to high-purity copper foil. This coating improves electrical conductivity, enhances adhesion with electrode materials, and provides better mechanical properties.
Q: How does carbon coated copper foil improve battery performance?
A: The carbon coating provides three key benefits: (1) better electrical conductivity and less internal resistivity, (2) improved mechanical strength to suppress dendrite growth, and (3) better coating strength with electrode material. These improvements result in larger discharging capability and longer service life.
Q: What is the copper thickness?
A: The copper substrate thickness is 9μm, providing an optimal balance of conductivity and flexibility.
Q: What is the coating thickness?
A: The double-side carbon coating is 1 micron on each side, for a total coating thickness of 2μm.
Q: What is the coating density?
A: The coating density is 0.54 g/m².
Q: What is the surface resistivity?
A: Surface resistivity is <30 ohms per 25μm².
Q: What is the copper purity?
A: The copper substrate purity is >99.9%, ensuring excellent conductivity.
Q: What is the coating width?
A: The coating width is approximately 239mm, suitable for standard electrode production.
Q: In what formats is this material available?
A: We supply carbon coated copper foil in both roll and sheet formats to accommodate different production processes.
Q: What is the minimum order quantity?
A: The minimum order quantity is 100 pcs.
Q: Is this material CE certified?
A: Yes, this product is CE certified, meeting international quality and safety standards.
Q: What is the delivery time?
A: Standard delivery is 15 days after order confirmation.
Q: Do you supply other battery materials?
A: Yes! Gelon offers a complete range of lithium battery materials including cathodes, anodes, separators, electrolytes, and current collectors.
Shipping and Packaging Information
- Packaging: Standard exported package with internal anti-collision protection and external export wooden box packaging ensures safe international delivery
- Shipping Methods: We offer various shipping options based on your location and timeline
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