The difficulty in producing double-zero aluminumfoil is mainly in the production process and production equipment. First, the production process is more complicated. At present, in the preparation method of double zero aluminumfoil, smelting→refining→on-line degassing and slag removal→filtering→continuous casting and rolling→cold rolling→rolling→coiler double combination→double combination finishing rolling→coiler splitter → Slitter cutting → Finished annealing → Packaging. Among them, in the cold rolling process, a twin-roll caster is used to press the slab, and then the slab is processed in the following steps to finally make aluminum foil. In order to achieve ultra-thin rolling of double-zero alcoil, it is very difficult to use a single-sheet rolling method, so it is necessary to use a finishing mill double-rolling process.
|
Standard |
ASTM/DIN/GB/SUS |
|
Temper |
H32 H34 H36 H111 H112 H116 |
|
Thickness |
0.02mm ~ 350mm |
|
Width |
10mm ~ 2500mm |
From the perspective of improving battery energy density, the thinner the battery foil, the better, but the thinner the foil, the higher the risk. Although 10μ has been used in large quantities in the consumer field, from the verification feedback of some battery factories, 10μ is in the power field. The performance is not yet mature, and some battery factories are still conducting 10μ verification.
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