Battery aluminum foil is a key material specifically designed for lithium-ion batteries, sodium-ion batteries, and other advanced energy storage systems. It is mainly used as a cathode current collector, responsible for collecting and conducting electrical current while providing structural support for cathode active materials.
Technical Specifications
| Item | Specification |
|---|---|
| Alloy | 1235 / 1060 / 1070 / 3003 |
| Temper | O / H18 |
| Thickness Range | 6 – 20 μm (commonly 8 / 10 / 12 / 15 μm) |
| Surface Treatment | Double-side roughening / carbon coating (optional) |
| Surface Cleanliness | Low oil residue, low impurity content |
| Electrical Conductivity | ≥ 61% IACS |
Description
Features
- Excellent surface flatness and cleanliness, ensuring uniform cathode coating.
- Good mechanical properties, high tensile strength and bending resistance.
- Strong adhesion to cathode active materials.
- Excellent corrosion resistance, suitable for long-term electrolyte environments.
Main Application Types
Power Batteries
- Applications: Electric vehicles (EV), energy storage systems (ESS)
- Requirements: High electrical conductivity, high strength, and excellent ductility
Consumer Electronics Batteries
- Applications: Mobile phones, laptops, tablets, wearable devices
- Requirements: Ultra-thin thickness, high consistency, and superior surface cleanliness
Energy Storage & Sodium-Ion Batteries
- Applications: Grid energy storage, backup power systems
- Requirements: High stability and long cycle life
