Investment Rating - The report recommends focusing on solid-state battery equipment suppliers such as **XianDao Intelligent**, **LianYing Laser**, and **HangKe Technology**. It also suggests paying attention to companies involved in dry/wet electrode equipment and dry electrode & module PACK [2][8]. Core Insights - The front-end manufacturing process is crucial in lithium battery production, directly impacting battery performance and production line stability. The process includes the formation of positive and negative electrode sheets and solid electrolyte membranes, which are essential for energy density, rate performance, and cycle life [2][5][7]. - Solid-state batteries require the preparation of solid electrolyte membranes in addition to traditional electrode sheets, increasing the complexity and criticality of the manufacturing process [7][15]. - The solid-state battery front-end manufacturing process can be divided into dry and wet methods, with dry methods gradually becoming the mainstream due to their cost, process, and material compatibility advantages [2][12][15]. - Various dry film formation technologies exist, including fiberization, dry spray deposition, gas phase deposition, thermal extrusion, direct pressing, and 3D printing, each suitable for different applications [2][40]. Summary by Sections 1. Key Manufacturing Processes - The preparation of electrode sheets and electrolyte membranes is critical, directly influencing battery performance and mass production outcomes [5][11]. - The film formation process can be categorized into dry and wet methods, with dry methods being the future of high-performance solid-state batteries [11][12]. - Dry film formation paths are diverse, with fiberization seen as a promising route for future mass production [11][18]. 2. Market Potential - The market for front-end solid-state battery equipment is expected to reach **8 billion yuan** by 2029, driven by the anticipated increase in global solid-state battery capacity from **17 GWh** in 2024 to **200 GWh** in 2029 [8][9]. 3. Dry vs. Wet Process Advantages - Dry processes eliminate solvent use and drying steps, leading to lower energy consumption and manufacturing costs, while enhancing material utilization and environmental friendliness [15][18]. - Dry processes exhibit superior structural stability, allowing for higher packing densities and energy densities compared to wet processes [18][34]. 4. Solid Electrolyte Materials - Solid electrolyte materials are categorized into oxides, sulfides, polymers, and halides, with sulfides currently being the mainstream technology due to their high conductivity and processing performance [21][22]. 5. Future Developments - The evolution of solid-state batteries will involve the introduction of high-performance anodes and cathodes, with dry processes increasingly demonstrating compatibility advantages [26][30].