lithium ion battery aluminium foil cathode material 

 

Item	Standard 1	Standard 2
hardness	H18	H18
width	Standard width ±0.1mm	Standard width ±0.1mm
Thickness	0.016±0.001 mm	0.012±0.001mm
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	Aluminum foil with uniform tension on both sides, slurry coating uniformity