Carbon Coated Aluminum Foil for Battery Cathode — 11+1+1um Thickness

The 11+1+1um Carbon Coated Aluminum Foil is our company's typical product. It is designed and manufactured for battery cathode current collector use. We apply conductive slurry on the surface of pre-treated aluminum foil to get a better-performing battery aluminum foil. Besides, the properties of our self-researched slurry are strictly controlled and tested to ensure the shelf life and quality of the aluminum foil.

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Details of 11+1+1µm Carbon-Coated Aluminum Foil

1. Technical Parameters

Applicable Battery	Lithium- ion battery / Sodium-ion battery
Alloy	AA1100, AA1060, AA1235D
Temper	H18
Aluminum Foil Thickness	8- 15 µm
Coating Thickness	0.6- 2 µm (single side/double sides)
Aluminum Foil Width	300- 1550 mm
Coating System	Aqueous slurry
Surface Tension	≥64 dyn/cm
Total Surface Density	33.5-41.5±1 g/m²
Coating Surface Density	0.21-0.7±0.5 g/m²
NMP Resistance	Baked at 130 °C for 10 min. Wiping 200 times with NMP, the coating remains intact without peeling.

2. Key Benefits of 11+1+1µm Carbon-Coated Aluminum Foil

Improve conductivity by reducing surface resistance.
Enhance the adhesion between active material and current collector.
Optimize battery C-rate performance.
Bolster resistance to electrolyte corrosion.
Extremely compatible with LFP (NCM / NCA).

3. Production Equipments

4. Quality Control

5. Packaging

We have three steps of packaging to ensure the product is delivered to the destination without any damage.

Step 1: Using EPE foam to protect the two end faces of the aluminum foil.

Step 2: Vacuum and package with aluminum-plastic film.

Step 3: Put it in the quick-release wooden case, which is designed for customs inspection. Label affixed on each side of the crate.

6.Q&A

a.What is the minimum order quantity?

The minimum order quantity of our carbon-coated battery aluminium foil is 5,000 kg. No matter what thickness of product it is.

b.Can you customize the packaging?

Yes, we usually use quick-release wooden boxes as outer packaging, and we also accept special-dimension requests for packaging.

c.What price do we pay for a customized sample?

It depends on your customized needs. Different coating sizes result in different quantities of waste materials; therefore, there is some discrepancy in the cost of the sample. Don't worry, all the prices are well-founded.

d.Can products with even thinner thicknesses be customized?

Yes, of course. Besides the thickness scope of 10- 15 micrometres, we have successfully developed and researched thinner versions, which are only 8- 9 micrometres. And we will continue to explore new aluminum foil products with even thinner profiles.

If you need any further information about our battery aluminum foil products, contact us now at: peng@biopin.vip or sristar0615@gmail.com.

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