Aluminum foil is a soft metal thin film. Because of its excellent characteristics, it is widely used in life. Battery aluminum foil refers to aluminum foil used as the positive electrode material of lithium-ion batteries. Commonly used lithium battery aluminum foils include 1050 aluminum foil, 1060 aluminum foil, 1070 aluminum foil, and 1235 aluminum foil. They are all pure aluminum foils, which are divided into O state and H state.

1235 pure aluminum foil has higher purity and better conductivity, so it is often used as battery foil. Battery foil is a finished product in aluminum foil, which requires very high precision in the performance and quality of aluminum foil. Therefore, the processing of battery foil is more difficult and the process requirements are higher, mainly reflected in the thickness, strength and surface quality requirements of aluminum foil. aspect. Mingtai Aluminum's 1235 battery foil has a minimum thickness of 0.014mm, a strength of> 180Mpa, and a high surface dyne value.

Mingtai Aluminum's 1235 battery foil has the following advantages:

1. The surface of the aluminum foil is uniform, clean, and flat, and there is no obvious traces of roll marks, pits, pinholes, or corrosion;

2, no rolling defects such as creases, speckles, bright lines on the surface of aluminum foil;

3, there is no color difference on the surface of aluminum foil;

4. No oil on the surface, no serious oil smell, no visible oil spots.