5μm动力电池隔膜是如何生产的？ 实探恩捷股份玉溪基地

Core Viewpoint - Enjie Co., Ltd. has launched its 5μm ultra-thin lithium battery separator, which is currently the thinnest product in mass production, showcasing advancements in separator technology and addressing industry trends for improved battery performance [1][2]. Group 1: Production and Technology - The Yuxi base of Enjie Co., Ltd. features a dedicated production line cluster for the 5μm product, designed to "Lighthouse Factory" standards, achieving digitalization, automation, and modularity [2]. - The base has a planned total of 16 production lines covering over 480 acres, with a current monthly production capacity of 19 million square meters [2]. - The 5μm separator has a puncture strength of 550gf, which is over 16% stronger than the 7μm separator, while its thickness is reduced by 28.5% and internal resistance decreased by 20.9% [3]. Group 2: Industry Trends and Demand - The lithium battery separator industry is experiencing rapid growth due to increased demand from electric vehicles and energy storage, leading to significant technological advancements and capacity expansions [3][4]. - The industry is currently facing intense competition and price declines due to concentrated supply releases and cost control efforts from downstream battery manufacturers [4]. Group 3: Strategic Positioning and Future Outlook - Enjie Co., Ltd. aims to maintain its leading position in the separator market by investing heavily in new products and focusing on technological breakthroughs [4]. - The company recognizes the potential impact of emerging battery technologies, such as all-solid-state batteries, on the lithium battery market, although these technologies are not yet commercially viable [4][5]. - Enjie Co., Ltd. is actively developing solid-state battery materials, with a focus on sulfide solid electrolytes, which constitute 36% of the total cost of solid-state batteries [6].