Description
Rolled Copper Foils for Li-ion Battery
Specification：
Thickness：6~12µm (0.0002~0.0005 inch)
Width：≤650mm (≤25.6 inch)
Performance：
Comparison for RA & ED copper foil
|
Item |
RA copper foil |
ED copper foil |
|
Craft |
Physical Rolling |
Chemical Electrolysis |
|
Precision |
Very good |
Good |
|
Purity |
Higher |
High |
|
Strength |
Higher |
High |
|
Toughness |
Very Good |
Good |
|
Bendability |
Very Good |
Good |
|
Elasticity |
Higher |
High |
|
Density |
Higher |
High |
|
Tensile |
Higher |
High |
|
Crystal Structure |
Rolling Organization |
Needle-like crystals |
|
Surface |
Shiny |
Matte |
|
Appearance Consistency |
Good |
Good |
Application：
Power batteries, polymer batteries and other battery materials.
Advantage:
This material has good appearance consistency, high tensile strength, high bendability and no-cracks.
Properties:
| Item |
Unit |
Parameter |
|||
|
Thickness |
mm |
0.007 |
0.01 |
0.012 |
|
|
Purity |
% |
≥99.90 |
≥99.90 |
≥99.90 |
|
|
Area Weight |
g/㎡ |
95±10.5 |
105±10.5 |
||
|
Roughness（Double side R） |
μm |
≤0.17 |
≤0.17 |
≤0.17 |
|
|
Normal |
Tensile strength |
Mpa |
≥345 |
≥350 |
≥350 |
|
Elongation |
% |
≥0.5 |
≥0.5 |
≥0.5 |
|
|
Electrical Properties(Conductivity) |
20℃ IACS |
≥95% |
≥95% |
≥95% |
|
|
Anti-oxidization of high temperature （160℃ for 1 hour） |
—- |
PASS |
PASS |
PASS |
|
