Lithium battery positive aluminum foil

Material Application: lithium battery

Product: 8021 aluminum foil, 8079 aluminum foil

Project Details:

Lithium battery positive aluminum foil

Since the invention of the battery, it has been widely used in various industries. The battery types have dry batteries, lead-acid batteries and lithium batteries, and here we focus on lithium battery positive aluminum foil.

The latest research in the lithium-ion battery industry has found that through etching and roughing the surface of the aluminum (Al) alloy foil used as the positive electrode current collector of the lithium ion rechargeable battery can improve the charge and discharge characteristics of the battery. Compared to the foil that does not do the surface roughing treatment, aluminum foil after the surface roughening treatment, the battery charge and discharge characteristics were significantly improved. This has an important role in the development of rechargeable batteries for hybrid and electric vehicles, as well as rechargeable batteries for power storage and wind power generation.

The quality requirements of lithium battery positive aluminum foil

1. the surface of aluminum foil is uniform in color, clean, flat plate, no significant roll, no pitting, no pinholes, no corrosion traces;

2. aluminum foil surface without creases, spots, bright lines such as rolling defects;

3. aluminum foil surface without color difference;

4. surface without oil, no serious oil smell, no visible eye spot;

5. surface tension, the lead pen test is not less than 32 dyne;

The appearance requirement of lithium battery foil

1. the aluminum foil coil has winding tightness, clean end surface, smooth edges;

2. aluminum foil coil split layer not exceed 1.0mm;

3. aluminum foil rolling core width is greater than or equal to the width of the tube core foil, generally two end length does not exceed the width of 5mm foil;

Aluminum foil for lithium battery

Aluminum foil for lithium battery includes 8021 aluminum foil, 8079 aluminum foil with o temper, Mingtai Aluminum can produce battery soft packaging foil with the thickness of 0.035-0.055mm and the width of 100-1600mm. Mingtai Aluminum can meet your needs with high-quality products and best service.