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57mm width Pre-Slit Aluminum Foil roll for 18650 Battery


57mm width Aluminum Foil For 18650 Lithium Battery

Commonly used as cathode current collector of 18650 Li-ion batteries..

 

SPECIFICATION:

 

  • Width : 57 mm
  • Thicknesses : 16±1 um
  • Weight: 4kg/roll
  • Areal density : 30~34g/m2
  • Material : Aluminium, purity > 99.45%
  • Extensibility : <0.5%
  • Normal temperature Tensile strength : >141 kgf /mm2
  • Tensile strength after baking at 120 degrees celsius for 1 hr : >122 kgf/mm2