Core Viewpoint - The article highlights the successful development of a new generation 3.5μm ultra-thin lithium battery copper foil by Jinchuan Group, which significantly enhances the performance of lithium batteries and aligns with the trends in the new energy vehicle industry [1]. Group 1 - The new 3.5μm ultra-thin lithium battery copper foil surpasses industry standards in various physical property indicators, including excellent ductility, tensile strength, and uniformity [1]. - This product can effectively improve the lifespan of lithium batteries, allowing them to store more energy within the same volume, which is crucial for the lightweight and long-range development of new energy vehicles [1]. - The successful development of this copper foil will further enhance Jinchuan Group's market competitiveness and provide material support for the development of downstream industries such as new energy vehicles, aiding in the upgrade and transformation of the new energy sector [1].