1145 battery aluminum foil

Mar 24, 2023

The battery aluminum foil is used as the current collector of the lithium ion battery. Under normal circumstances, the lithium ion battery industry uses rolled aluminum foil as the positive electrode collector. The commonly used pure aluminum foil for lithium batteries has various alloy grades such as 1060, 1050, 1145, 1235, etc., including -O, H14, -H24, -H22, -H18 and other status.

1145 battery aluminum foil quality requirements

1.The surface of the aluminum foil is uniform in color, clean, and flat, without obvious roll marks, pitting, pinholes, and corrosion marks;
2. 1145 battery aluminum foil surface has no rolling defects such as creases, mottling, bright lines, etc.;
3, There is no color difference on the surface of the aluminum foil;
4, There is no oil on the surface, no serious oil odor, and no visible oil spots;
5, Surface tension, the dyne pen test is not less than 32 dyne;

1145 battery aluminum foil appearance requirements

1, The aluminum https://www.aluminium-foil.netfoil coil is wound with moderate tightness, the end surface is flat and clean, and the edge is smooth;
2, the staggered layer of aluminum foil should not exceed ±1.0mm;
3, the width of the aluminum foil roll tube core is greater than or equal to the foil width, and generally the length of the two ends of the tube core does not exceed the foil width 5mm;
4, the aluminum foil should be wrapped around the center of the die;
5, the joint part has clear joint marks on the two ends of the aluminum coil.

1145 battery aluminum foil

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