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OEM Supply Brass Moulding Strips - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN

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  • OEM Supply Brass Moulding Strips - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN

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We also offer product sourcing and flight consolidation services. We've got our personal factory and sourcing office. We can easily present you with almost every style of merchandise linked to our merchandise range for Copper Foil Tape With Conductive Adhesive, Battery Nickel Foil, Silver Plated Copper Foil, All merchandise are manufactured with advanced equipment and strict QC procedures in purchase to assure high-quality. Welcome prospects new and old to get hold of us for enterprise cooperation.
OEM Supply Brass Moulding Strips - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN Detail:

Product Introduction

Electrolytic copper foil for lithium batteries is a copper foil developed and produced by CIVEN METAL specifically for the lithium battery manufacturing industry. This electrolytic copper foil has the advantages of high purity, low impurities, good surface finish, flat surface, uniform tension, and easy coating. With higher purity and better hydrophilic, the electrolytic copper foil for batteries can effectively increase the charge and discharge times and extend the cycle life of batteries. At the same time, CIVEN METAL can slit according to customer’s requirements to meet customer’s material needs for different battery products.

Specifications

CIVEN can provide double-sided optical lithium copper foil in different widths from 4.5 to 20µm nominal thickness. 

Performance

The products have the characteristics of symmetrical double-sided structure, metal density close to the theoretical density of copper, very low surface profile, high elongation and tensile strength (see Table 1).

Applications

It can be used as anode carrier and collector for lithium-ion batteries.

Advantages

Compared with single-sided gross and double-sided gross lithium copper foil, its contact area increases exponentially when it is bonded with the negative electrode material, which can significantly reduce the contact resistance between the negative electrode collector and the negative electrode material and improve the symmetry of the negative electrode sheet structure of lithium-ion batteries. Meanwhile, the double-sided light lithium copper foil has good resistance to cold and heat expansion, and the negative electrode sheet is not easy to break during the charging and discharging process of the battery, which can prolong the service life of the battery. 

Table1. Performance

Test Item

Unit

Specification

6μm

7μm

8μm

9/10μm

12μm

15μm

20μm

Cu Content

%

≥99.9

Area Weight

mg/10cm2

54±1

63±1.25

72±1.5

89±1.8

107±2.2

133±2.8

178±3.6

Tensile Strength(25℃)

Kg/mm2

28~35

Elongation(25℃)

%

5~10

5~15

10~20

Roughness(S-Side)

μm(Ra)

0.1~0.4

Roughness(M-Side)

μm(Rz)

0.8~2.0

0.6~2.0

Width Tolerance

Mm

-0/+2

Length Tolerance

m

-0/+10

Pinhole

Pcs

None

Change of Color

130℃/10min

150℃/10min

None

Wave or Wrinkle

—-

Width≤40mm one allow

Width≤30mm one allow

Appearance

—-

No drape, scratch, pollution, oxidation, discoloration and so on that effect using

Winding method

—-

 The winding when facing up S sideWhen the winding tension in the stable, no loose roll phenomenon.

Note: 1. Copper foil oxidation resistance performance and surface density index can be negotiated.

2. The performance index is subject to our testing method.

3. The quality guarantee period is 90 days from the date of receipt.

Product detail pictures:

OEM Supply Brass Moulding Strips - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN detail pictures

Related Product Guide:
"Based on domestic market and expand overseas business" is our development strategy for OEM Supply Brass Moulding Strips - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN , The product will supply to all over the world, such as: Borussia Dortmund, Norway, Egypt, Our business activities and processes are engineered to make sure our customers have access to widest range of products with the shortest supply time lines. This achievement is made possible by our highly skilled and experienced team. We look for people who want to grow with us around the globe and stand out from the crowd. We have people who embrace tomorrow, have vision, love stretching their minds and going far beyond what they thought was achievable.
    • It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Modesty from Sweden - 2017.09.28 18:29
    Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Riva from Bangalore - 2017.11.01 17:04
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