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Wholesale Dealers of Pure Copper Tape - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN

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  • Wholesale Dealers of Pure Copper Tape - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN

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While in the past few years, our organization absorbed and digested innovative technologies both equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted for the advancement of Annealed Rolled Copper Foil, Copper Tape Led Circuit, Decorative Brass Sheet, We think this sets us apart from the competition and makes prospects choose and trust us. We all wish to build win-win deals with our customers, so give us a call today and make a new friend!
Wholesale Dealers of Pure Copper Tape - 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:

Wholesale Dealers of Pure Copper Tape - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN detail pictures

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Innovation, excellent and reliability are the core values of our firm. These principles today more than ever form the basis of our success as an internationally active mid-size corporation for Wholesale Dealers of Pure Copper Tape - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN , The product will supply to all over the world, such as: Argentina, Sacramento, Palestine, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.
    • This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Jane from Cannes - 2017.06.16 18:23
    It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
    5 Stars By Christopher Mabey from Macedonia - 2018.09.23 17:37
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