Core Viewpoint - The 2025 (15th) High-tech Lithium Battery Annual Conference will focus on the rapid charging upgrade and large cell innovation in the global lithium battery industry, emphasizing the importance of multi-layer tab welding technology in enhancing production efficiency and cell performance [2][3]. Group 1: Event Details - The conference will take place from November 18-20, 2025, at the JW Marriott Hotel in Qianhai, Shenzhen [2][3]. - The event is organized by High-tech Lithium Battery and GGII, with various sponsors including Hymson, Dazhu Lithium Battery, and others [2][7]. Group 2: Industry Trends - The lithium battery industry is accelerating towards fast charging and large cell innovations, with multi-layer tab welding being a critical area for technological advancement [2][3]. - Equipment companies are at the core of the industry chain, driving the evolution of welding processes to overcome production bottlenecks [2]. Group 3: Company Focus - Karolivde, a co-organizer of the conference, has developed a "pressure melting welding" process that replaces traditional ultrasonic and laser welding, enabling efficient welding of tabs and poles in one step [4]. - The new welding technology is compatible with copper and aluminum foils for up to 200 layers and addresses challenges in welding composite current collectors, significantly reducing costs through simplified processes and material reuse [4][5]. Group 4: Future Plans - Karolivde has already engaged with several leading battery manufacturers and plans to introduce a new generation of welding workstations for tab and pole as well as composite current collectors [5]. - The conference will also feature discussions on innovative solutions and will include a 15th-anniversary celebration and the High-tech Golden Ball Award ceremony [6].