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Conductive Primer Coated Copper Foil As Lithium Ion Battery Accessory
Color: Black, Gray
Substrate: Copper foil
Substrate thickness: 10-20μm
Coating method: single or double coating
Effective coating width: customized
Material width: customized
Inner diameter of tube core: 76mm
Packaging: Wooden box for export shipment
Description
The use of Primer for surface treatment of battery conductive substrates is a breakthrough technological innovation. Conductive Primer Coated copper foil is a uniform Conductive Primer coated on copper foil. It can significantly reduce the contact resistance between the positive/negative electrode material and the current collector, and improve the adhesion ability between the two. It can reduce the amount of adhesive used, thereby significantly improving the overall performance of the battery.
Features of Conductive Primer Coated Copper Foil
-The Adhesion force of the cathode material to the current collector and improved, especially the adhesion force of the Silicon carbon cathode is improved
-Battery internal resistance and dynamic internal resistance amplification is reduced, also battery pack usage consistency is improved
-Reducing polarization and improving rate capacity and low temperature performance
-Protection current collectors and improving cycling performance and prolonging battery usage life
-Improving yield of battery cells and reducing the cost
Technical Parameters
Conductive Primer Coated Copper Foil As Lithium Ion Battery Accessory |
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Surface resistivity |
< 30 ohms per 25um^2 |
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Apperance |
Double side coating with 1 micron thickness each side |
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Density |
0.54 g/m2 |
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Copper purity |
> 99.9% |
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Copper Thickness |
9um |
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Coating Width |
UP to 239 mm |
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Total Width |
280 mm |
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Total Thickness |
11um |
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Package for sales |
Shipped in the vacuum bag |
Product Structure and Working Method
Product Structure
The primer layer technology for carbon-coated copper foil (CCF) appears to address critical challenges in lithium-ion battery (LIB) anodes, particularly in improving interfacial contact, reducing stress from active material expansion, and protecting current collectors.
2.Working Method
Primer layer plays a critical role in enhancing the performance of carbon-coated copper foil (CCF) for lithium-ion battery(LIB) anodes. The primer acts as an interfacial bridge between the copper current collector and the anode active material (e.g., graphite, silicon).
Advantage
The application of Conductive Primer Coated Copper Foil can improve the peeling force of the positive and negative electrode sheets of lithium-ion batteries, thereby enhancing the battery cycle life, reducing the battery internal resistance, improving the battery's charging and discharging rate, and enhancing its charging and discharging ability in low-temperature environments. It can also improve the direct pass rate and assembly success rate in the battery production process, thereby significantly reducing the overall cost of battery manufacturing.
The Conductive Primer Coated Copper Foil produced by our company can be processed with high-precision coating on the thinnest 6um copper foil, and the coating surface density can be controlled between 0.02g/㎡ and 5g/㎡. That is to say, we can evenly coat a minimum of 0.02g of conductive substance on the surface of 1 square meter of copper foil, with a thickness of only 200nm. The conductive coated aluminum foil is the thinnest that can be processed with advanced coating on 10um hard high-purity aluminum foil, and the coating surface density can be controlled within 0.02g/㎡ and 5g/㎡ In other words, we can uniformly coat at least 20mg of conductive material on the surface of an aluminum foil with a thickness of only 200nm per square meter. We are currently at the forefront of this technology in the world.
The coating speed on Conductive Primer Coated Copper Foil can also reach a stable 150m/min, while the industry average speed is only 30-40m/min. At the same time, the alignment accuracy of conductive coated copper foil can still be controlled within ± 0.3mm. In terms of coating pattern design, not only can continuous full width coating be completed, but customized production can also be carried out according to customers' special requirements, which strongly supports the product design and technological progress of downstream battery enterprises. We can theoretically coat aluminum foil with any pattern, and the alignment accuracy of front and back coating can also reach ± 0.3mm, leading the entire industry.
Test Equipment
Certificates
Applications
Conductive Primer Coated Copper Foil can well used for Power/Energy Storage Lithium ion Battery (Si/C), 3C class lithium-ion batteries (Si/C), Water based lithium-ion batteries
Company Profile
HSMetal focuses on the R&D and production of conductive and thermally conductive interface materials for new energy power battery cells, modules, and battery housings. HSMetal has invested significant human and material resources in the independent research and development of conductive materials. Our core business, the conductive series products for lithium-ion batteries, has gained widespread acceptance in the new energy and 5G fields.
We utilize primer technology to enhance electrode materials and unlock their full potential in practical applications. Our primer is an ultra-thin coating based on carbon, graphite, or carbon nanotubes, compatible with virtually any substrate. By applying this coating to electrodes, we effectively mitigate material degradation, enhancing both battery performance and safety. While pre-coating is an established method, our decade of research has refined its use to significantly boost the effectiveness of diverse battery formulations.
HSMetal's conductive coated foil is recognized as a leading solution in the global lithium-ion battery sector. We have become a strategic partner to numerous internationally renowned manufacturers of new energy vehicles and energy storage systems. The product has gained widespread market acceptance and has enabled the formation of an integrated industrial ecosystem centered around our conductive foil technology.
We are planning a development strategic growth path to create significant value in the clean energy industry.
Equipment
Carbon Coated Aluminum Foil
Carbon Coated Copper Foil
Quality Control
R&D Capability
Product Package
FAQ
Q1: What info. should I let you know if i would like to get a quotation for the the Electrolytic copper foil?
A1: The material size (Thickness*Width*Length and total Qty). If possible, it would be more better to advise the application of the product
Then we can recommend the most suitable products with details for confirmation.
Q2:How long is your delivery time?
A2:Generally it is 5-10 days base on we have stock on hand. or 15-20 days if no inventory, then need check with our production team for lead time according to the quantity.
Q3: Do you provide samples ?
A3:Yes, if standard sizes sample is free but buyer need to pay freight cost.
Q4:What is your terms of payment ?
A4: Normal payment term is 30%TT, 70% before shipment get ready to ship
Q5: How do you guarantee the quality of the products?
A5: Each step of production and finished products will be carried out inspection by QC department before storing to the warehouse. NG products are not allowed in the completed goods warehouse.
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