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China wholesale Copper Foil - Rolled Copper Foils for Battery – CIVEN

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China wholesale Copper Foil - Rolled Copper Foils for Battery – CIVEN Detail:

Product Introduction

The Battery Rolled Copper Foil is a cathode material produced by CIVEN METAL 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 CIVEN METAL has excellent flexibility and hydrophilic. We can also customize our products to meet different customer requirements.

Calendered 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

Thickness range: 9 ~ 70 μm (0.00035 ~ 0.028 inches)

Width range: 150 ~ 650 mm (5.9 ~ 25.6 inches)

Performance

Comparison for RA & ED copper foil

Item

RA copper foil

ED copper foil

Craft

Physical Rolling

Chemical Electrolysis

Precision

Very good

Good

Purity

Higher

High

Strength

Higher

High

Toughness

Very Good

Good

Bendability

Very Good

Good

Elasticity

Higher

High

Density

Higher

High

Tensile

Higher

High

Crystal Structure

Rolling Organization

Needle-like crystals

Surface

Shiny

Matte

Appearance Consistency

Good

Good

Applications

Power batteries,  polymer batteries and other battery materials.

Advantage

The material itself has good surface consistency, high elongation, flexibility, uniformity and hydrophilic.


Product detail pictures:

China wholesale Copper Foil - Rolled Copper Foils for Battery – CIVEN detail pictures


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We've one of the most innovative manufacturing devices, experienced and qualified engineers and workers, recognized good quality handle systems and also a friendly experienced income team pre/after-sales support for China wholesale Copper Foil - Rolled Copper Foils for Battery – CIVEN , The product will supply to all over the world, such as: luzern, Belgium, Gabon, Our tenet is "integrity first, quality best". We have confidence in providing you with excellent service and ideal products. We sincerely hope we can establish win-win business cooperation with you in the future!
  • The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By David Eagleson from Bangladesh - 2018.12.14 15:26
    The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By David Eagleson from Comoros - 2017.06.16 18:23
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