Copper Foil, Anode Current Collector for Lithium-ion Battery

High-quality electrolytic copper foil is used as the current collector for the anode of Lithium-Ion Batteries. This copper has a thickness of 9 um and a width of 170 mm. Weight:32kg.

Specifications of Copper Foil

• Thicknesses : 9 um
• Width : 170 mm (other width available)
• Length : variable
• Areal density (g/m2) : 85-87
• Composition : Cu ≥99.8%, Fe < 0.0010%, Bi < 0.00020%, Pb < 0.0005%
• Tensile strength  : ≥305 MPa
• Normal elongation : 3.0%
• High temperature elongation (180℃) : 2.5%
• Anti oxidization (heating at 230℃ for 30min): No oxidation of points on the surface, the color does not change
• Surface roughness: Less than 0.35 um for drum side, Less than 4.0 um for matte side
• Surface tension (dyne/cm) : 68 drum side and matte side

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