高工锂电·2025-04-14 10:47Battery - BYD has published a patent for zinc-ion battery negative electrode collector, which includes a conductive substrate and a metal deposition layer, enhancing cycle stability and utilization of the battery [1] - CATL showcased a 587Ah high-capacity energy storage cell at the 13th International Energy Storage Summit, achieving an energy density of 430Wh/L and improving the usable energy over its lifecycle by 48% compared to the previous generation [3] - Zhongxin Innovation and Xpeng Huitian have deepened their strategic cooperation, with Zhongxin Innovation continuing to provide high-energy density power batteries for the next generation of aircraft [4] - Ant Group, Hello, and CATL have signed a strategic cooperation agreement to promote smart green travel and digital technology in the new energy industry [5] Materials - China National Materials plans to invest €114 million to establish a wet-process coating separator production base in Hungary, with an annual production capacity of 640 million square meters [8] - Ganfeng Lithium has signed a letter of intent with Lithium Argentina AG to jointly develop the Pozuelos-Pastos Grandes salt lake basin in Argentina, with a long-term production capacity planned to reach 150,000 tons of LCE [10]