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新一代3.5μm极薄锂电铜箔成功研发
起点锂电·2025-09-21 08:42

Core Insights - Jinchuan Group's subsidiary, Jinchuan Copper, has achieved a significant technological breakthrough in the production of ultra-thin lithium battery copper foil, specifically a new generation of 3.5μm copper foil, which surpasses industry standards in various physical properties [2] Group 1: Technological Advancements - Jinchuan Copper's R&D team has successfully tackled core technical challenges related to tension control and uniformity in ultra-thin copper foil production [2] - The new 3.5μm lithium battery copper foil exhibits high ductility and tensile strength, minimizing the risk of breakage during battery winding processes [2] - The exceptional uniformity of the new copper foil enhances battery consistency, leading to improvements in energy density, cycle life, and safety performance of lithium batteries [2] Group 2: Company Background and Market Position - Jinchuan Copper is a subsidiary of Jinchuan Group Co., Ltd., a major multinational group known for its mining, selection, smelting, and chemical support, and is a key player in China's nickel and cobalt production [2] - Leveraging the group's strong non-ferrous metal resource background and full industry chain advantages, Jinchuan Copper has become a leading supplier of electronic circuit copper foil and lithium battery copper foil in China [2] - The products of Jinchuan Copper are widely used in cutting-edge fields such as new energy vehicle power batteries, energy storage batteries, 5G communications, and consumer electronics [2]