Cu foil for lithium battery current collector materials

 

Brief introduction of Cu foil for lithium battery current collector materials

1.Thickness:8-20micron
2.One side coarse or both coarse/polished
3.MOQ:20kgs
4.Purity>=99.8%

 

Specifications of Cu foil for lithium battery current collector materials

Copper Foil Tech. Specification
Item	both sides polished					One side coarse		both side coarse
	8μm	9μm	12μm	15μm	20μm	10μm	12μm	10μm	12μm
appearance quality	1)no oxidation 2)smooth and no concave-convex
surface density (g/m2)		85-90	100-105	128-133	175-181	95-100	105-110	95-100	105-110
tensile strength(Kg/mm2)(25°C)	≥30	≥30	≥30	≥30	≥30	≥25	≥25	≥25	≥25
extensibility(%)(25°C)	≥5	≥5	≥5	≥6	≥8	≥2.5	≥2.5	≥3.0	≥3.0
roughness  Rz (μm)	≤3.0					consulted by supplier and acquirer
thicness tolerance	(-0,+3)
width tolerance	±1
tolerance  from oxidation susceptibility	160°C/10min.no oxidation
joint	1pcs/roll
purity	Cu≥99.8%
Rohs requirement	pass
quality guarantee period	90day from shipping
roll weight	consulted by supplier and acquirer
storage requirement	1,temperature:25°C,humidity:≤60%RH; 2,there are no corrosive gas and material,moist material.