When choosing battery packaging materials, aluminum alloys are very suitable choices due to their lightweight, good conductivity, rezistenta la coroziune, and easy processing and forming.
Aluminum alloys used for battery packaging need to have excellent corrosion resistance, good formability, and high strength. The following is a detailed description of the most suitable aluminum alloys for battery packaging materials:
Features: good corrosion resistance, good formability, and moderate strength.
Use: Commonly used in battery housings and heat exchangers due to its good thermal conductivity and formability.
1050 aluminum foil alloy:
Features: high corrosion resistance, high ductility, and excellent thermal and electrical conductivity.
Use: Often used in applications that require good formability and conductivity, such as battery foil applications.
5052 aluminum foil alloy:
Features: excellent corrosion resistance, good weldability, and high strength.
Use: Suitable for battery housings and structural components due to its high strength and durability.
8011 aliaj de aluminiu:
Features: good corrosion resistance, high strength, good formability.
Use: commonly used in lithium-ion battery packaging.
6061 aluminum foil alloy:
Features: high strength and good corrosion resistance, as well as good machinability and weldability.
Application: widely used in aerospace, constructii navale, automobile manufacturing, machinery manufacturing and other industries. For battery packaging, the strength and corrosion resistance of 6061 aluminum alloy can meet most needs.
6063 aluminum foil alloy:
Features: medium strength, excellent corrosion resistance and wear resistance. It is easy to be processed into aluminum profiles of various shapes through processes such as extrusion molding and welding molding.
Application: Although it is mainly used in construction, aerospace, electronic instruments and electrical equipment, its good processing performance also makes it have certain application potential in the field of battery packaging.
7005 aluminum foil alloy:
Features: high-strength aluminum alloy material with excellent corrosion resistance and wear resistance. Contains multiple elements such as zinc, aluminiu, magneziu, and a small amount of copper and manganese, giving it excellent comprehensive performance.
Application: Commonly used in bicycles, motorcycles, electronic equipment and aerospace. For battery packaging materials that require higher strength and wear resistance, 7005 aluminum alloy is a good choice.
Considerations for choosing aluminum alloy for battery packaging
Strength and corrosion resistance: Battery packaging materials need to be able to withstand certain external pressure and impact, and at the same time need to have good corrosion resistance to prevent internal erosion of the battery.
Weight: Lightweighting is an important trend in fields such as new energy vehicles, so choosing lightweight aluminum alloy materials can help reduce the weight of the entire vehicle and improve endurance.
Processing performance: Aluminum alloy materials that are easy to process and form can reduce production costs and improve production efficiency.
Cost: On the premise of ensuring performance, cost is also an important factor to consider when selecting aluminum alloy materials.
