12um Lithium Ion Battery Copper Foil
For Lab research, we sale 2.5kg/roll or A4 size per pcs, the width can be customized.
For production, each roll weight, width can be customized.
Except 9um,10um and 12 um, other thickness is no problem.
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Item |
T-Cu-09 |
T-Cu-10 |
T-Cu-12 |
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Thickness (um) |
9 |
10 |
12 |
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Areal density (g/m2) |
85-90 |
95-100 |
105-110 |
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Purity(%) More than 99.9% |
Cu ≥99.9% |
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Fe < 0.0010% |
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Bi < 0.00020% |
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Pb < 0.0005% |
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Roller core inner diameter |
76mm |
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Width |
200mm |
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Tensile strength (MPa) |
≥294 |
≥300 |
≥305 |
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Normal elongation(%) |
2.5 |
2.7 |
3.0 |
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High temperature Tensile strength180℃(MPa) |
≥147 |
≥150 |
≥153 |
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High temperature elongation180℃(%) |
2 |
2 |
2.5 |
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Anti oxidization (180℃ Heating 1h) |
No oxidation of points on the surface,The color does not change,Copper foil without fracture |
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Surface roughness(um) Rz |
Drum side(um) |
Less than 0.3 |
Less than 0.3 |
Less than 0.35 |
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Matte side(um) |
Less than 3.0 |
Less than 3.5 |
Less than 4.0 |
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Surface tension(dyne/cm) |
Drum side |
62 |
65 |
68 |
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Matte side |
62 |
65 |
68 |
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Coating performance |
Cu foil with uniform tension on both sides, slurry coating uniformity |
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Characteristics
Excellent cold working performance, high srength and high elasticity, has excellent electroplating, hot dip and welding performance, seawater and industrial atmosphere corrosion.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.