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High tensile double-sided smooth Li-ion battery copper foil

Thickness: 5–6 μm, tensile strength: 500–600 N/mm², elongation ≥ 6%. Superior tensile performance, resistant to high-tension coating and high-compaction processes with robust cycling stability. Compatible with medium-high nickel ternary conventional anode systems, it is widely matched with mainstream power batteries for new energy vehicles and centralized energy storage projects.