Lab Electrolytic Grade Cu Copper Foil for Li-ion Battery Anode Material

Item

L-Cu-09

L-Cu-10

L-Cu-12

Width (mm)

customized

Thickness (um)

9

10

12

Areal density (g/m2)

85-90

95-100

105-110

Purity(%)   More than 99.9%

Cu ≥99.9%

Fe < 0.0010%

Bi < 0.00020%

Pb < 0.0005%

Roller core inner diameter

76mm

Width

200mm

Tensile strength (MPa)

≥294

≥300

≥305

Normal elongation(%)

2.5

2.7

3.0

High temperature Tensile strength180℃(MPa)

≥147

≥150

≥153

High temperature elongation180℃(%)

2

2

2.5

Anti oxidization(180℃ Heating 1h)

No oxidation of points on the surface,The color does not change,Copper foil without fracture

Surface roughness(um)Rz

Drum side(um)

Less than 0.3

Less than 0.3

Less than 0.35

Matte side(um)

Less than 3.0

Less than 3.5

Less than 4.0

Surface tension(dyne/cm)

Drum side

62

65

68

Matte side

62

65

68

Coating performance

Cu foil with uniform tension on both sides, slurry coating uniformity