Copper foil copper foil for lithium battery. Thickness:9mircon, 10mircon,12mircon, 15mircon,20mircon.etc. Copper ... )NoOutside AppearanceNo dings and dents , flat (no baggy or long edge), not tear or split in machine direction, uniform in color ... produce as per the requirement of our customers. copper foil for EMI,Lithium battery,Power battery,PCB,CCL