Aluminum Foil for Lithium-ion Battery Cathode (20um × 12cm × 20m, 1)

High-purity aluminum foil intended for use as the positive electrode (cathode) in lithium-ion batteries, suitable for production lines or laboratory research. Key specifications: thickness 20um; stretching rate ≥1.0; aluminum content ≥99.8%. Size: 12cm width × 20m length; quantity: 1. Packaging: each piece is first wrapped in foam cloth, then placed inside a polyethylene bag, and finally packed into a cardboard carton for transport.