Aluminium Foil for Lithium Battery Cathode Current Collector

Name

Aluminium Foil for Lithium Battery Cathode Current Collector

Alloy-temper

1060 1070 1235 O /H18

Thickness

0.01- 0.03mm  (tolerance:±5%)

Width and tolerance

300- 1200 mm (tolerance:± 1.0mm)

Weight

200 - 500kg per roll coil (or customized)

Surface quality

Free of black spot, line mark, creases, clean and smooth, no corrosion stains, wrinkles, and fish tails. Surface quality has to be uniform and no chatter marks.

Core material

Steel / aluminum

Core ID

Ф76mm, Ф150mm (±0.5mm)

Packaging

Fumigation free wooden cases(keep us informed if any special requests)

Tensile Strength(Mpa)

》190 MPa (according to thickness)

Elongation %

≥2%

Wettability

A  grade

Surface wetting tension

≥32 dyne

Application

for battery case of new energy, mobile phone and digital products

Deliver time

within 20 days after getting the original LC or 30% deposit by TT

Item

Standard 1

Standard 2

hardness

H18

H18

width

Standard width ±1mm

Standard width ±1mm

Thickness

0.016±0.002 mm

0.012±0.002mm

areal density

42~46g/ m2

30~34g/m2

With transverse surface density uniformity

≤0.003 g/ 40×40 mm

≤0.003 g/ 40×40 mm

The same volume of vertical surface density uniformity

≤0.03 g/ 400×40 mm

≤0.03 g/ 400×40 mm

High temperature oxidation resistance (200°C*30min)

No oxidation

No oxidation

Connect no

<2

<2

Chemistry content(Al)

>99.45%

>99.45%

extensibility

<0.5%

<0.5%

Normal temperature Tensile strength kgf/mm2

>180

>140

After 1200C baking 1h, Tensile strength kgf/mm2

>160

>120

Coating performance