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100% Original Factory Copper Tape For Snails - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN

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  • 100% Original Factory Copper Tape For Snails - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN

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100% Original Factory Copper Tape For Snails - 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:

100% Original Factory Copper Tape For Snails - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN detail pictures

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With advanced technologies and facilities, strict high-quality handle, reasonable rate, superior services and close co-operation with prospects, we are devoted to furnishing the best price for our customers for 100% Original Factory Copper Tape For Snails - ED Copper Foils for Li-ion Battery (Double-shiny) – CIVEN , The product will supply to all over the world, such as: Mecca, Mauritania, Uruguay, The credibility is the priority, and the service is the vitality. We promise we have now the ability to offer excellent quality and reasonable price items for customers. With us, your safety is guaranteed.
    • The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
    5 Stars By Henry from Turkmenistan - 2017.11.01 17:04
    We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Anna from Italy - 2018.07.12 12:19
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