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4.5um 6um Rolled Copper Foil for Lithium Battery Plain
Product Detail
The Battery Rolled Copper Foil is a cathode material produced by JIMA Copper specifically for high-end batteries. The uniform thickness and flat shape of the copper foil makes it easy to coat and not to peel off; the uniform grain size of the material can effectively increase the charge/discharge times of the battery and reduce battery failure and improve cycle life; the purity of the copper foil is extremely high and it has excellent electrical conductivity; and the rolled copper foil produced by JIMA Copper has excellent flexibility and hydrophilic. We can also customize our products to meet different customer requirements.
Rolled copper foil is a product made by repeatedly rolling and annealing high-precision copper strip (thickness is usually less than 150 microns) based on the principle of plastic processing (thickness is usually between 4-100 microns and width is usually less than 800 mm). Its ductility, bending resistance and conductivity are better than electrolytic copper foil, and the copper purity is also higher than electrolytic copper foil.
Copper foil is an indispensable raw material for making printed circuit board (PCB), copper clad laminate (CCL) and lithium-ion battery. Flexible circuit board is flexible, which gets rid of the limitations of conventional circuit plane design, and can arrange lines in three-dimensional space. Its circuit is more flexible and has higher technical content. Calendered copper foil has become the best choice for manufacturing flexible printed circuit board because of its flexibility and bending resistance.
Specification
Hard temper & soft temper
Thickness: 6um 9um 12um 18um 35um 50um 70um
Width:250～660mm, standard width: 520mm, Max. 630mm. can be cutting as request
Wooden box package
Roll Length& core length: as per request
Roll inner diameter and outer diameter: as request
Certificate: ISO14001
Lead time: 15-20days
Welcome visit us factory via video
Features
Low roughness
High ductility
High strength
High oxidation resistance
Application
EV battery, Lithium battery, lithium-ion batteries, Electric Vehicles Li-ion Battery, lithium ion battery
Electromagnetic Shielding
Heat dissipation
Energy storage
Power batteries
5G Mobile antenna
5G communication
Adhesive shielding material
Samsung Mobile
Battery materials
Typical Properties of Lithium Battery Plain Rolled Copper Foil
Classification
Unit
Requirement
Test Method
Normal Thickness
um
6
8
9
10
12
18
35
50
70
GB/T29847-2013
Area Weight
g/m²
54±2
66~70
74.5~79.5
83~89
103~108.5
145~159
289.8~317.2
435±15
579.5~628.3
GB/T29847-2013
Purity(100)
%
≥99.97
GB/T5121
Surface Roughness
Shiny Side(Ra)
սm
≤0.20
GB/T29847-2013
Tensile Strength
Hard Temper
N/nm
420-450
420-450
420-450
440-470
440-470
450-480
440-460
420-450
380-410
GB/129847-2013
Soft Temper
160-180
160-180
160-180
160-180
160-180
170-190
180-210
200-220
210-240
Elongation Rate
Hard Temper
%
1.0-1.1
1.0-1.2
≥8
≥9
≥11
≥13
GB/129847-2013
Soft Temper
≥6
≥7
≥7
≥7
≥7
≥8
≥11
≥13
≥20
Surface Quality
No Wrinkle, No Color Difference, No Scratche, No Pit and Salient Point
Anti-oxidization
140℃/15min
No color change and No oxidation
Storage Condition
Temperature≤25°C, Relative Humidity≤60%, 180 days
Cutting Machine Image (Width can be cutting)
Packing
Coiled, in wooden case packing
Package Image
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Jima Copper is a professional supplier of high-precision copper and copper alloy series of foil roll brand. Jima provided 4-800μm thick copper foil, Maximum width 1580 mm, Jima copper foil production capacity is sufficient, with complete varieties, excellent quality.
Jima specializes in the re... Jima Copper is a professional supplier of high-precision copper and copper alloy series of foil roll brand. Jima provided 4-800μm thick copper foil, Maximum width 1580 mm, Jima copper foil production capacity is sufficient, with complete varieties, excellent quality.
Jima specializes in the re...
