Electrolytic copper foil is a metallic copper foil produced by the electrolytic method using copper material as the main raw material. The copper material is dissolved to make a copper sulfate electrolytic solution, and then the copper sulfate electrolyte is made into a foil by direct current electrodeposition in a special electrolysis equipment, and then a series of treatments such as surface roughing and anti-oxidation treatment are made, and finally the finished product is made after slitting detection. SCI Materials Hub provides battery-grade copper foil collector specifically for laboratory battery research and industrial power battery production.
Features:
Excellent electrical conductivity
Good chemical stability
Good compatibility and binding with electrode active substances
The double-sided structure is symmetrical
The density of the metal is close to the theoretical density of copper
The surface profile is extremely low
Higher elongation and tensile strength
Application direction:
Anode collector of various types of lithium-ion batteries
9μm Single-Sided Frosted Copper (Cu) Foil
Test items
Test conditions
Test results
Test Methods
Thickness
Normal
0.009-0.011 mm
Micrometer
Width
Normal
200 mm
Ruler
Conductivity
Normal
0.155 ohm-gram/m2
IPC-TM-650 2.5.14
Weight per unit area
Normal
76 g/m2
IPC-TM-650 2.2.12
Tensile strength
@ 23℃
340 N/mm2
IPC-TM-650 2.4.18
@180℃
Elongation
@ 23℃
>3.5 %
IPC-TM-650 2.4.18
@ 180℃
Antioxidant testing
@ 150℃ 10min
Pass
Peel strength
Normothermia
IPC-TM-650 2.4.8
Surface roughness
S Smooth (Ra)
0.25
IPC-TM-650 3.5.6
S Smooth (Rz)
2.6
IPC-TM-650 3.5.6
Pinhole
Normal
0
IPC-TM-650 2.1.2
Wettability
Dyne value
≥38
Dyne pen
Surface
Uniform color, no oxidation, spotting, no obvious bumps and soft lines, no scratches, 30 cm * 30 cmsurface black dots<5.
IPC4562
Storage conditions
The storage environment has a relative humidity ≤ 65%, a temperature ≤ 25 °C, and the coexistence of unqualified chemical corrosion and wet goods
Reeling/packaging
The outer layer of plastic film + pearl cotton sealed packaging, packed in a wooden box, and wrapped with packaging tape
Remark
1. This batch of copper foil is fully compliant with IPC-4562 standard.
2. The product should be stored horizontally below 25 ° C, without direct sunlight, rainproof, moisture-proof and avoid corrosive gases in places to prevent copper foil discoloration and oxidation.
3. Clean gloves should be worn when the product is taken to prevent scratching the copper foil and surface pollution.
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