固态电池设备专题深度系列一：等静压设备：制约固态电池量产的关键瓶颈

Investment Rating - The report recommends focusing on solid-state battery equipment suppliers, particularly highlighting "XianDao Intelligent" as a key investment opportunity, while also suggesting attention to "LiYuanHeng," "NaKeNuoEr," "ChuanXi Machine," "BaoTou KeFa," and overseas leader "Quintus" [4]. Core Insights - Isostatic pressing technology has a wide range of applications across various industries, including aerospace, medical, automotive, and electronics, and has been validated over 70 years [2][12]. - Isostatic pressing can effectively address the solid-solid interface contact issues in solid-state batteries, enhancing density and improving component contact effects, which is crucial for achieving high energy density and stability [3][31]. - The current bottlenecks for isostatic pressing equipment in solid-state battery production include safety concerns and limited production capacity, which can be mitigated through design optimizations and automation [4][59]. Summary by Sections 1. Application of Isostatic Pressing Equipment - Isostatic pressing technology is categorized into cold, warm, and hot types, each with specific temperature and pressure requirements, impacting production efficiency and cost [17][20]. - Warm isostatic pressing is identified as the optimal process for solid-state battery densification, balancing interface density improvement and cost-effectiveness [3][39]. 2. Isostatic Pressing for Solid-State Batteries - The introduction of isostatic pressing in solid-state battery production is essential for achieving the required density and improving ion conductivity, with potential performance enhancements of over 30% in ionic conductivity and a 20% reduction in internal resistance [31][54]. - The report estimates that the value of isostatic pressing equipment in solid-state battery production lines could reach approximately 2.9 billion yuan by 2029 [3][54]. 3. Key Companies - The report highlights several key players in the isostatic pressing equipment market, including traditional manufacturers like Quintus and domestic companies such as ChuanXi Machine and BaoTou KeFa, which are advancing their technology for solid-state battery applications [4][45]. 4. Investment Recommendations - The report emphasizes the importance of investing in companies that are actively developing isostatic pressing technology for solid-state batteries, particularly those that are integrating automation and optimizing production processes [4][47].