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Copper (Cu) Foil for Anode Battery Materials
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Copper foil is used as a substrate for coating anode materials in Li-ion battery. The thickness of this copper foil is from 8 µm to 20 µm. Copper foil is one side coarse, both side coarse or both side polished. The purity of Copper foil is about 99.8 %.
Specifications:
| Item | Both sides polished | One side coarse | Both sides coarse | ||||||||||||
| 8 µm | 9 µm | 12 µm | 15 µm | 20 µm | 10 µm | 12 µm | 10 µm | 12 µm | |||||||
| Appearance Quality | 1.No oxidation 2.Smooth and no concave-convex |
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| Surface Density (g/m2) | 85-90 | 100-105 | 128-133 | 175-181 | 95-100 | 105-110 | 95-100 | 105-110 | |||||||
| Tensile Strength (Kg/mm2) (25 0C) | ≥30 | ≥30 | ≥30 | ≥30 | ≥30 | ≥25 | ≥25 | ≥25 | ≥25 | ||||||
| Extensibility (%) (25 0C) | ≥5 | ≥5 | ≥5 | ≥6 | ≥8 | ≥2.5 | ≥2.5 | ≥3.0 | ≥3.0 | ||||||
| Roughness Rz (µm) | ≤3.0 | Consulted by acquirer | |||||||||||||
| Thickness Tolerance | (-0, +3) | ||||||||||||||
| Width Tolerance | ± 1 | ||||||||||||||
| Tolerance for oxidation susceptibility | 160 0C/10 min. no oxidation | ||||||||||||||
| Joint | 1 pcs/roll | ||||||||||||||
| Purity | Cu ≥99.8 % | ||||||||||||||
| Rohs requirement | Pass | ||||||||||||||
| Storage Requirement | 1.Temperature: 25 0C, Humidity: ≤60 %RH2. 2. There are no corrosive gas and material, moist material. |
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