Materials / Electronic Materials
Cylindrical Battery Materials
Ultra-Precise Slitting for Battery Leads
Characterized by high capacity discharge, cylindrical batteries incorporate materials that require high machining precision. Iwatani operates a precision machining plant for metal materials in China, drawing on ultra-precise slitting capabilities to provide a wide range of aluminum, nickel, clad, and copper foil materials for use as battery leads.
Product List
Inner Lead Materials (Cylindrical Tab Materials)
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●Metal lead material:
Processed by Suzhou Iwatani Metal Products Co., Ltd. (battery electrode slitting company)
| Materials available | Products available | Characteristics |
|---|---|---|
| Aluminum foil | Cathode lead material | The cathode leads are made of aluminum foil, as is a collector. |
| Pure nickel foil | Anode lead material | The anode lead uses pure nickel for low electrical resistance, excellent corrosion resistance, and ease of manufacture. |
| Clad foil | Anode lead material | The clad foil used as the anode lead material offers high electrical conductivity to improve battery performance—for example, by increasing capacity. |
| Copper foil | Anode lead material | Copper foil also offers excellent electrical conductivity. This is why it’s used for anode leads, along with pure nickel. |
Outer Lead Materials (Collector Tab Materials)
| Materials available | Products available | Electrical conductivity | Thermal conductivity |
|---|---|---|---|
| High strength pure copper | Anode outer lead material | 100% | ≥ 300 W/m·K |
| Increased output, reduced heat generation | Improved heat dissipation performance |
Please inquire for more information.
Electronic Materials Department
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