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Battery foil material 8079 aluminum foil 8021 aluminum foil

Edit:Mingtai Date: 2020-02-15 20:11

Classification of battery foil

Mingtai Aluminum's aluminum foil products are widely used in industries such as new energy batteries, electronics and electrical appliances, and food and drug packaging. Among them, battery foil can be divided into lithium battery aluminum plastic film foil, lithium battery current collector battery foil, negative electrode aluminum foil for electrolytic capacitors, high-purity aluminum foil for super capacitors, etc., which can be used in the field of new energy.

At present, the company's battery foil and electronic foil account for more than 20% of all aluminum foil products, and are increasing year by year. The company's lithium battery aluminum plastic film battery foil market share is relatively high.

Battery foil and lithium battery

The soft pack battery is composed of a battery foil (8021 aluminum foil 0.04mm thickness), plastic film and special glue, which are collectively called an aluminum plastic film, and a plain aluminum foil (1235 aluminum foil / 1060 aluminum foil / 1070 pure aluminum 0.012-0.016mm thickness) The surface is coated with the ternary materials of lithium iron phosphate and lithium manganate to make a soft-packed battery core. The prepared core is placed in a good aluminum plastic film to make a battery for electronic products that is commonly used now instead of More lead-acid batteries. This is what everyone says about lithium batteries.

The role of battery foil

In the three-layer structure of the aluminum-plastic composite film, the battery foil serves as an intermediate layer, which mainly prevents the infiltration of water vapor from the outside of the battery and prevents the leakage of the internal electrolyte. In order to ensure the long-term stable and safe operation of the battery, the battery foil needs to have extremely high barrier properties, good cold stamping formability, puncture resistance and stability.

battery foil

Advantages of Mingtai Aluminum Battery Foil

The main products of Mingtai Aluminum Battery Foil are 8021 aluminum alloy coil,

1. The surface of 8021 aluminum foil produced by Mingtai is clean, flat and free of oil, and it can adhere well in the aluminum-plastic film compounding process, and is not easy to fall off and delaminate;

2. At the same time, battery foil products have excellent punchability and puncture resistance;

3. After testing, the elongation of Mingtai 8021 aluminum foil can reach 13% -18%, and the cup protrusion value can reach 7.3mm.

Aluminum foil manufacturer Henan Mingtai

Henan Mingtai is one of the few domestic aluminum foil manufacturers that can fully meet the processing requirements of lithium battery aluminum plastic film. It is one of the top ten aluminum foil manufacturers in China. It can take 3 to 2000 tons of aluminum foil raw material orders. The product quality is stable, the global export, the price is affordable, and you can rest assured to purchase!

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