Battery Anode Substrate PET Composite Copper Foil ,PET substrate has good safety performance, light weight, and good ductility, which can help improve the energy density of batteries.
Product name
PET Composite Copper Foil
Testing items
Unit
Norm value
Testing standards and methods
Areal density
g/c㎡
24±0.5
Sampler, balance
Width
mm
280
Steel ruler
Square resistance
MΩ
20±3
Four Probe Square Resistance Meter
Resistivity
Ω/m
≤4*10-8
Four Probe Square Resistance Meter
Plating purity
%
99.9
Metal Detector
Tensile Strength
MD
MPa
≥240
Tensile tester
TD
≥240
Break elongation
MD
%
≥5%
TD
≥5%
Wettability
Dyne value
≥32
Dyne pen
Antioxidant
150℃ 10min
/
No color change
Oven
150℃ 10min
Not melt
Adhesion
/
Tape No. 681 does not fall off
3M tape
Pinholes
Number
No >500μm pinholes
Metallographic microscope
Appearance and storage conditions
The foil surface is smooth and flat; no interlayer folds; no indentation, bruises, scratches, uniform color, no corrosion, no oil
stains, no black spots, smooth cut edges, and no obvious burrs.
Storage temperature ≤25°C, temperature ≤65°C, avoid direct sunlight and chemical corrosion.
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IPv6 network supported
