Thickness and Tolerance: 0.018-0.02mm (+/-6%) Width and Tolerance: 260mm (+/-1mm) Coating: conductive carbon coating (Double side coating with 1 micron thickness each side; Density: > 0.15 g/m2; Surface resistivity: < 30 ohms per 25um2) Packing: 1kg/roll in the vacuum bag Function: Better electrical conductivity and less internal resistivity Better mechanical strength and toughness to avoid short circuit caused by dendrite growth Improved adhesion to the electrode material Larger discharging capability and longer service life for Li-ion batteries Standard: GB/T3198/ASTM-B209/EN546 Application: used in lithium batteries (Li-ion batteries) to replace conventional Al foil as battery cathode substrate with improved properties
