Thickness: 5–6 μm, tensile strength ≥ 700 N/mm², elongation ≥ 5%. Ultra-high strength, tough and stretch-resistant, suitable for extreme processing conditions and complex electrochemical systems. Perfectly compatible with high-nickel ternary, high-silicon anodes and fast-charging cells, it is applied to cutting-edge sectors including premium new energy vehicles, fast-charging power batteries, solid-state batteries and high-end energy storage.