年会预告 | 公大激光将在2025高工锂电年会发表演讲

Core Viewpoint - The 2025 (15th) High-tech Lithium Battery Annual Conference will focus on advancements in laser technology for lithium battery manufacturing, particularly the shift towards high-power green laser solutions to improve production efficiency and quality [6][7]. Group 1: Event Details - The conference will take place from November 18-20, 2025, at the JW Marriott Hotel in Qianhai, Shenzhen [2][6]. - The event is organized by High-tech Lithium Battery and GGII, with various sponsors including Hymson and Dazhu Lithium [2][6]. Group 2: Industry Challenges and Solutions - Traditional infrared lasers face challenges such as low absorption efficiency and the production of burrs when processing high-reflectivity materials like copper, which affects the quality and yield of battery cell welding [3]. - The industry is moving towards pulse green lasers, which have higher absorption rates for copper materials, addressing the limitations of traditional methods [4]. Group 3: Technological Advancements - Gongda Laser is a pioneer in high-power fiber green laser sources, leading the way in integrating green laser technology into lithium battery manufacturing [5]. - In 2025, Gongda Laser will launch a 500W class high-energy nanosecond pulse green laser, increasing single pulse energy to 600μJ while reducing the output head size by 50% [7]. - This new laser technology has successfully overcome challenges related to burr formation in the cutting of stacked negative electrodes and has achieved significant breakthroughs in the efficiency and yield of cylindrical electrode die-cutting and copper foil micro-hole processing [7].