High-Purity Aluminum Battery Foil for Energy Storage Solutions
Battery Aluminium Foil
YK Aluminum’s battery-grade aluminum foil is manufactured with exceptional surface uniformity, precise thickness control, and high electrical conductivity. Designed primarily for lithium-ion battery cathode current collectors, our foils ensure efficient energy storage, extended battery life, and stable performance. Produced in a clean-room environment, they meet the stringent quality standards required by the energy storage and electric vehicle (EV) industries.
With over 15 years of export experience and state-of-the-art production lines in Tianjin, China, we ship to 30+ countries with precision, consistency, and compliance.
Technical Specifications
| Parameter | Range / Details |
|---|---|
| Alloys | 1235, 1060, 1070, 1100 |
| Purity | ≥ 99.35% (battery grade) |
| Tempers | O (Soft) |
| Thickness | 6 μm – 20 μm |
| Width | 20 mm – 1600 mm |
| Surface Finish | Smooth, scratch-free, degreased |
| Tensile Strength | ≥ 120 MPa |
| Elongation | ≥ 2% |
| Surface Treatment | Double-sided degreasing, chemical cleaning |
| Standards | GB/T, ASTM, ISO for battery foil applications |
Use Cases Across Industries
Lithium-Ion Batteries
- Cathode current collectors for EV
- Consumer electronics and power storage
Energy Storage Systems
- Aluminum foil for large-scale renewable energy storage units
Electric Vehicles
- High-performance foil for automotive-grade battery packs
Portable Electronics
- Battery foils for smartphones
- Laptops and tablets
Why YK Aluminum?
- High Purity & Conductivity: Ensures efficient current flow and minimal energy loss.
- Precision Manufacturing: Strict thickness tolerance for consistent battery performance.
- Clean-Room Production: Contamination-free environment to meet battery industry requirements.
- Global Compliance: Meets ISO, GB/T, and ASTM battery foil standards.
- EV-Ready Supply: Trusted by automotive and renewable energy sectors.
Visual Assets to Include
Frequently Asked Questions
1. Why is aluminum foil used in lithium-ion batteries?
Aluminum foil serves as the cathode current collector, providing high conductivity and corrosion resistance.
2. What is the difference between standard aluminum foil and battery-grade foil?
Battery-grade foil has higher purity, smoother surface finish, and tighter tolerances to meet battery performance standards.
3. Do you offer custom widths and thicknesses?
Yes, we can supply foil in specific dimensions based on your production line requirements.
4. Can your foil be used for solid-state batteries?
Yes, our high-purity foils are compatible with next-generation battery technologies, including solid-state cells.
Need Something Custom ?
Our expert team can create bespoke aluminum solutions tailored to your specific requirements. Get in touch to discuss your project.