9 Mic Aluminum Foil

Yongsheng 9 mic aluminum foil has outstanding cleanliness, minimal pinholes and a smooth surface without any dark spots, bright spots, black lines, or pockmarks. It maintains a uniform thickness and possesses high tensile strength and elongation properties. Furthermore, it has a high dyne value, which is highly suitable for battery manufacturing.

Henan Yongsheng Aluminum Co., Ltd. is situated in Gongyi City, Henan Province’s industrial area. Yongsheng is a 25-year-old aluminum foil manufacturer. Production and development of aluminum goods are the main priorities of our factory. With 3200 workers, the factory occupies 780,000 square meters.

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9 Mic Aluminum Foil

Aluminum foil is available in a range of thicknesses, typically falling between 0.006 and 0.2mm.

9 mic aluminum foil is commonly used in the battery industry.

The thickness of battery foil has gradually decreased from 15 microns in order to achieve higher energy density, lighter battery designs, and improved battery performance. Many battery manufacturers have adopted 9-micron aluminum foil.

In addition to the 9 Mic Aluminum Foil, there are other common thicknesses for aluminum foil:

  • 0.006mm (6 microns)
  • 0.010mm (10 microns)
  • 0.012mm (12 microns)
  • 0.015mm (15 microns)
  • 0.018mm (18 microns)
  • 0.020mm (20 microns)
  • … …
  • 0.2mm (200 microns)

Yongsheng Aluminum Foil Specifications

Alloy 1xxx Series: 1050, 1060, 1070, 1100, 1235
3xxx Series: 3003, 3004
5xxx Series: 5052
8xxx Series: 8011, 8021, 8079.
Temper F, O, H14, H16, H18, H19, H22, H24, H26, H28, T etc.
Thickness 0.006-0.2mm.
Width 20mm-1600mm (1.6m).
Diameter Inner Diameter: 76/152 mm;
Outer Diameter: Support Customization.
Packaging Seaworthy Export Standard Wooden Box
Sample Free
Delivery Time Ready stock 7-10 days, on time delivery guaranteed
Loading Port Qingdao Port, Tianjin Port, Shanghai port.
Price Terms FOB, CIF, CFR, EXW etc.
Payment L/C, T/T, Western Union, etc.
Standards ASTM-B209, EN573-1, GB/T3880.1-2006, GB/T 24001-2016, GB/T 19001-2016
Certificates MTC, ISO9001,SGS, ROHS,DNV,TUV,ISO14001,ABS,CCS,CE
Quality Control Mill Test Certification is supplied with shipment, Third Party Inspection is acceptable.


Li-ion Battery:
The 9 micron aluminum foil is a vital component in the manufacturing of Li-ion batteries. It serves as a current collector, enabling the smooth flow of electrons during the battery’s charging and discharging operations.

Sodium-ion Batteries:
The aluminum foil used in sodium-ion batteries comes in various thicknesses, typically ranging from 6 to 12 microns, depending on specific application needs. It plays a critical role as a current collector, facilitating efficient electron flow during the battery’s charge and discharge processes.

Similar to Li-ion batteries, aluminum foil in sodium-ion batteries requires excellent electrical conductivity and dimensional stability to ensure optimal performance and durability. The lightweight properties of aluminum foil contribute to improved energy density and overall battery efficiency.

Advantages of using 9 mic aluminum foil in battery

Increasing energy density: By reducing the thickness of the battery foil, the proportion of active materials in the battery can be increased, resulting in higher energy density. Thinner foil allows for more active materials to be packed within the same space, providing greater energy storage capacity.

Lightweight design: Thin battery foil helps to reduce the overall weight of the battery. In applications such as electric vehicles, lightweight design contributes to improved energy efficiency and extended driving range.

Enhancing battery performance: Thin battery foil exhibits better electrical conductivity, which can reduce internal resistance and improve the battery’s charge/discharge efficiency and power output capability. Additionally, thin foil enables improved current collection and distribution, aiding in the uniform distribution of current and reducing hot spot issues.

9 mic aluminum foil


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Our Advantages

  • Excellent cleanliness, few pinholes
  • No dark surfaces, bright spots, black lines or pockmarks.
  • Uniform thickness, high tensile strength and elongation, high dyne value.

Product & Packaging Photos

aluminum foil product and packaging

Why Choose Us

Yongsheng Aluminum is a leading aluminum products manufacturer&supplier in China with 25 years of export experience. Our outstanding product quality, price, and always on-time delivery has won us many long term partners and gained a great reputation worldwide. We provide one-stop product solution for both CC&DC aluminum products.

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+86 130 2762 9558


+86 188 3800 7960


+86 130 2762 9558

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