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The output of battery aluminum foil is growing rapidly, and new composite aluminum foil materials are highly sought after
- China Aluminium Network
- Post Time: 2022/12/6
- Click Amount: 1164
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【Aluminum Road Network】
Aluminum foil is a foil made of aluminum. Aluminum foil can be divided into thick foil, single-zero foil and double-zero foil according to the difference in thickness, and can be divided into air-conditioning foil, cigarette packaging foil, decorative foil, battery aluminum foil, etc. according to the usage scenarios.
Battery aluminum foil is one of the varieties of aluminum foil. The output accounts for 1.7% of the total foil material, but the growth rate reaches 16.7%, which is the fastest growing segment of foil products.
The reason why the output of battery aluminum foil has such a rapid growth is that it is widely used in ternary batteries, lithium iron phosphate batteries, sodium ion batteries and other scenarios. According to relevant survey data, every GWh ternary battery needs 300-450 tons of battery aluminum foil, and every GWh lithium iron phosphate battery needs 400-600 tons of battery aluminum foil; and sodium-ion batteries use aluminum foil for both positive and negative electrodes, Gwh sodium batteries It needs 700-1000 tons of aluminum foil, which is more than twice that of lithium batteries.
At the same time, benefiting from the rapid development of the new energy vehicle industry and the high demand in the energy storage market, the demand for battery foil in the power field is expected to reach 490,000 tons in 2025, with a compound annual growth rate of 43%. The battery in the energy storage field has a large demand for aluminum foil. Taking 500 tons/GWh as the calculation benchmark, it is estimated that the annual demand for battery aluminum foil in the energy storage field will reach 157,000 tons in 2025. (Data source: Battery China Network)
The battery aluminum foil industry is rushing on the high-quality track, and the requirements for current collectors on the application side are also developing in the direction of thinner, higher tensile strength, higher elongation and higher battery safety.
traditional aluminum foil Source:
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