Single/Double-Sided Shiny Copper Foil

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Single or Double-Sided Shiny Copper Foil (Lithium Battery Grade)
Application: Anode Carrier and Current Collector for Lithium-ion Batteries
Product Overview: Specialized electrolytic copper foil designed for lithium-ion batteries, featuring high purity (99.98%) and a surface passivation layer.
Purity: > 99.8% (Typical: > 99.98%)
Areal Density: 85-90 g/m² (Typical: 88 g/m²)
Mass Resistivity: < 0.17 Ohm-g/m² (Typical: 0.168 Ohm-g/m²) Thickness Tolerance: 0-2 µm (Typical: 0-1 µm) Tensile Strength: > 30 kg/mm² (Typical: 41 kg/mm²)
Elongation at Room Temperature: > 3.5% (Typical: 4.2%)
Elongation at High Temperature: > 4.0% (Typical: 5.5%)
Surface Roughness (Ra): < 0.4 µm (Typical: 0.22-0.35 µm)
Surface Roughness (Rz): < 3.0 µm (Typical: 1.6 µm)
Oxidation Resistance (130°C, 10 min): Pass
Approximate Length per kg:
– 180 mm Width: ~63 m/kg
– 280 mm Width: ~41 m/kg