Flat Rolled Products
Aluminum Alloys for Lithium-ion Battery Sealing Materials
ShareFeatures
- The materials exhibit high weldability in laser welding (melting deeply and stably into each other).
- They are scarcely work-hardened in the explosion-proof valve machining range and are highly formable.
Lithium-ion battery related materials
- Battery housing cases
- Housing materials and sealing materials
- Peripheral members (busbar and tab-lead materials)
- Current collector aluminum foils
Mechanical properties
| Alloy | JIS name | Temper | Mechanical properties | Material properties | Features | |||
|---|---|---|---|---|---|---|---|---|
| Tensile strength (N/mm2) |
Proof stress (N/mm2) |
Elongation (%) |
Explosion-proof valve formability | Laser welding | ||||
| FS110 | 8079 | H12 | 105 | 95 | 21 | ◎ | ◎ | High-strength Al-Fe alloys High weldability in laser welding Easy explosion-proof valve machining |
| 303S | 3003 | O | 115 | 55 | 34 | △ | ○ | Standard Al-Mn alloys |
| H14 | 160 | 150 | 7 | |||||
| A350 | 1050 | O | 85 | 40 | 42 | ◎ | △ | Standard pure-aluminum |
- ◎：Very good ◯：Good △：Rather poor ✕：Poor