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Battery Anode Substrate PET Composite Copper Foil

Product Name: Composite Copper Foil
Model Number:AOT-CCF
Brand Name: AOT
Product Orgin:China
Product description: Compared with traditional copper foil, PET substrate has good safety performance, light weight, and good ductility, which can help improve the energy density of batteries.
INQUIRY

Compared with traditional 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.