Battery grade aluminum foil is used as a current collector for lithium-ion batteries. Under normal circumstances, the lithium-ion battery industry uses rolled aluminum foil as the positive electrode current collector.
The thickness of the rolled foil varies from 10 to 50 microns. Commonly used pure aluminum foils for lithium batteries have various alloy grades such as 1060, 1050, 1145, 1235, etc., and are in -O, H14, -H24, -H22, -H18 and other states.
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