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.
