10 Mircon Copper Foil Roll Price for Lithium ion Battery Materials
Product Specification
1. Copper foil specifications
|
Item
|
TOB-1
|
TOB-2
|
TOB-3
|
|
width (mm)
|
customized
|
|
Thickness (um)
|
8
|
10
|
12
|
|
areal density (g/m2)
|
85-90
|
95-100
|
105-110
|
|
Purity(%) More than 99.9%
|
Cu ≥99.9%
|
|
Fe < 0.0010%
|
|
Bi < 0.00020%
|
|
Pb < 0.0005%
|
|
Roller core inner diameter
|
76mm
|
|
Tensile strength (MPa)
|
≥294
|
≥300
|
≥305
|
|
Normal elongation(%)
|
2.5
|
2.7
|
3.0
|
|
High temperature Tensile strength180℃(MPa)
|
≥147
|
≥150
|
≥153
|
|
High temperature elongation180℃(%)
|
2
|
2
|
2.5
|
|
Anti oxidization(180℃ Heating 1h)
|
No oxidation of points on the surface,The color does not change,Copper foil without fracture
|
|
Surface roughness(um)Rz
|
Drum side(um)RA
|
Less than 0.3
|
Less than 0.3
|
Less than 0.35
|
|
Matte side(um)RZ
|
Less than 3.0
|
Less than 3.5
|
Less than 4.0
|
|
Surface tension(dyne/cm)
|
Drum side
|
62
|
65
|
68
|
|
Matte side
|
62
|
65
|
68
|
|
Coating performance
|
Cu foil with uniform tension on both sides, slurry coating uniformity
|
|
Remark
|
Wide: by requirement(100-1500mm),
May according to the customer request tailor(100-1500mm)
The length of each volume, can be customized according to customer needs.
|
2. Cu foil performance(After manufacturing battery)
|
NO
|
Items
|
Criteria
|
Remarks
|
|
1
|
Vibration test
|
The battery is to be tested in three mutually perpendicular to each axis.
|
No fire, no explosion
|
|
2
|
Drop Test
|
Drop the battery from 1m height onto 5cm it 3 times each of X, Y, and Z directions at 25±2°C
|
|
3
|
Short circuiting Test
|
After standard charge,the battery shall be subjected to a short-circuit condition with a wire of resistance less than 100(o)
|
|
4
|
High temperature test
|
Leaving the battery at 85°C for 4hours after standard charge
|
No fire, no explosion
Capacity≥80%C5
|
|
5
|
Heating Test
|
The temperature of the oven is to be raised at a rate of 5±2°C/min to a temperature of 130±2°C for 30 minutes.
|
No explosion, no fire
|
|
6
|
Overcharge testing
(NO PCM)
|
3C 4.6V.
|
|
7
|
Storage Characteristics 1
|
standard charge and then storage at 25±2°C for 30 days.
|
Remaining Capacity≥85%
|
|
8
|
Storage Characteristics 2
|
1
|
after standard charge and then storage at 60±2°C for 7 days.
|
Remaining Capacity≥60%
|
|
2
|
the capacity on standard discharge shall be measured after standard charge.
|
Recovery capacity≥80%
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