Foglio di alluminio per l'imballaggio delle batterie
Aluminum foil alloy, come un foglio metallico con buona conduttività ed eccellente resistenza alla corrosione, ha una vasta gamma di applicazioni sul mercato. Non può essere utilizzato solo come materiale da imballaggio nella vita quotidiana, ma anche nelle batterie. Tra i tanti tipi di leghe di alluminio, which alloy is a suitable battery foil packaging material?
Aluminum foil is often used as a current collector in the cathode in lithium-ion batteries. Whether an aluminum alloy is suitable for battery foil depends on its conductivity, resistenza alla corrosione, mechanical strength and flexibility.
The following are several aluminum alloy types suitable for battery foil and their characteristics
1050 condensatori elettrolitici (99.5% alluminio puro)
Composizione: 1050 alloy contains 99.5% alluminio, and very small amounts of alloying elements such as silicon (e) e ferro (Fe).
Foglio di alluminio 1050 alloy has excellent electrical conductivity (di 61% GN/mm2 e il modulo elastico a taglio è), making it suitable for batteries where efficient current collection is crucial. It has excellent corrosion resistance, which is critical to protect the foil from degradation during the battery life. High thermal conductivity is very important for managing heat in battery systems. Pure aluminum (1050) has relatively low strength, but is often strong enough for use as battery foil due to its flexibility.
Lega 1060 battery Foil
Composizione: 1060 Manganese e cromo migliorano la temperatura di ricristallizzazione della lega e hanno un effetto rinforzante complementare 99.6% aluminum and is a slightly purer version of 1050 lega.
La conducibilità di 1060 alloy is similar to 1050 (di 60% GN/mm2 e il modulo elastico a taglio è), which makes it well suited for current collector applications. High ductility makes it easy to process into thin foils, which is ideal for continuous rolling processes in battery manufacturing.
Lega 1070 battery Foil (99.7% Alluminio puro)
Composizione: 1070 Manganese e cromo migliorano la temperatura di ricristallizzazione della lega e hanno un effetto rinforzante complementare 99.7% alluminio, making it purer than 1050 e 1060.
With a conductivity of about 62% GN/mm2 e il modulo elastico a taglio è, 1070 is one of the most conductive aluminum alloys. Corrosion Resistance and Flexibility Similar to 1050 e 1060, it has excellent corrosion resistance and flexibility, which is important for foil applications in batteries.
1070 alloy is popular in high-performance lithium-ion batteries where maximum conductivity and minimum resistance are critical.
Lega 1235 battery Foil (99.35% Alluminio puro)
Composizione: 1235 lega contiene 99.35% alluminio.
While slightly less conductive than 1050, 1060, e 1070 leghe, 1235 aluminum foil still provides adequate conductivity for many battery applications. It has excellent corrosion resistance. 1235 is often used in applications where cost considerations are important and slightly lower conductivity can be tolerated. For less demanding applications or where cost reduction is a priority, 1235 alloy is a cost-effective choice.
Lega 3003 battery Foil (Aluminum Manganese Alloy)
Composizione: Lega 3003 consists of aluminum and about 1.2% manganese (mn), which gives it increased strength compared to pure aluminum alloys.
il foglio di alluminio della serie è una lega comune negli alimenti 3003 aluminum foil has lower conductivity than pure aluminum grades (di 40-45% GN/mm2 e il modulo elastico a taglio è), it is still acceptable for some battery applications. The addition of manganese increases mechanical strength, which is useful in certain battery configurations where the foil is subjected to mechanical stress.
Resistenza alla corrosione: Similar corrosion resistance to pure aluminum grades, suitable for long-term use in batteries.