Group 1 - The core viewpoint of the report is a "buy" rating for Yinglian Co., Ltd. (002846.SZ) with a latest price of 15.78 yuan [2] - The traditional business of the company continues to perform well, indicating stable revenue streams [2] - Significant investments are being made in composite foil materials, which are expected to create new growth drivers for the company [2] - The composite foil materials are anticipated to enter a harvest period soon, suggesting potential for increased profitability [2] Group 2 - Risks include the possibility that the progress of composite foil materials may not meet expectations [2] - There is a concern regarding the demand in the fast-moving consumer goods market not meeting projections [2] - Increased market competition poses a threat to the company's growth [2] - The release of production capacity may not occur as anticipated, which could impact future performance [2]

Core Viewpoint - The lithium battery market is entering a "big explosion" era driven by diverse application scenarios, with significant growth expected in both traditional and emerging sectors over the next decade [1][12]. Industry Overview - The lithium battery industry is projected to enter a TWh-level growth phase, with stable growth in the electric vehicle and energy storage markets, while emerging fields like low-altitude economy and robotics are expected to create a strategic market worth billions [1]. - Structural differentiation in market demand is reshaping the technological evolution path, focusing on energy density and ultra-fast charging in the power sector, while energy storage aims to overcome cycling decay challenges [1][12]. Material Innovation - Material innovation is breaking the boundaries between laboratory and mass production, with advancements such as nickel content in ternary materials exceeding 90%, and silicon-based anode expansion suppression solutions entering mass production verification [3]. - Leading companies are establishing competitive barriers through a rhythm of "pre-research generation, mass production generation, and reserve generation," directly influencing the distribution of market dividends [3][4]. Key Players - **Inlian Composite Fluid**: Recently launched new products aimed at addressing range anxiety, increasing energy density, and developing next-generation solid-state batteries, with plans for significant production line expansions [5][6]. - **Putailai**: This anode material giant is addressing market differentiation with enhanced artificial graphite anodes and improved natural graphite products for energy storage, while also pursuing solid-state battery collaborations [7][8]. - **Weilan New Energy**: Valued at over 15 billion, Weilan is exploring three technical routes for solid-state batteries, achieving significant milestones in energy density and cross-scenario technology migration [9][10]. Strategic Implications - The development trajectories of these companies align with the evolving demands of the lithium battery industry, with Inlian addressing basic material performance, Putailai overcoming system integration bottlenecks, and Weilan exploring ultimate form possibilities [11]. - The progression from material innovation to form revolution is reshaping the technological pyramid of the TWh era, with each breakthrough redefining industry rules [12].

Core Viewpoint - The establishment of the headquarters of Jiangsu Yinglian Composite Current Collector Co., Ltd. marks Yinglian's readiness for large-scale production of composite current collectors [1][3]. Group 1: Company Developments - Jiangsu Yinglian, a subsidiary of Yinglian Co., was established in 2023 to focus on the research, production, and sales of composite current collector products [3]. - The total investment for the lithium battery composite aluminum foil and composite copper foil projects is expected to reach 3.089 billion yuan, with plans to build 10 production lines for composite aluminum foil and 134 for composite copper foil [3]. - As of September 2023, Jiangsu Yinglian has established a strategic partnership with equipment supplier Aifake and has procured 10 production lines for composite aluminum foil, currently operating 5 lines [3]. Group 2: Product Launch and Features - During the opening ceremony, the company held a product launch showcasing over ten types of composite foils designed to address four major trends in the lithium battery industry: alleviating range anxiety, increasing energy density, enhancing fast charging performance, and developing next-generation solid-state batteries [1][7]. - The showcased products include standard specifications such as 6.5-micron thick composite copper foil and 10-micron thick composite aluminum foil, as well as ultra-thin options like 4.5-micron composite copper foil and 6.5-micron composite aluminum foil [7][9]. - Products tailored for solid-state batteries and specific battery requirements were also presented, including high tensile strength composite copper foil and high conductivity composite aluminum foil, which are suitable for high-rate charging and discharging scenarios [9][11][13]. Group 3: Industry Outlook - The company continues to utilize vacuum deposition technology for the production of composite current collectors, introducing vapor-deposited lithium metal anodes, which are promising materials for solid-state batteries [16]. - The composite current collector products have been sampled to downstream customers across various sectors, including consumer batteries, power batteries, and energy storage batteries, with a quicker application in consumer batteries due to lower price sensitivity [16].