固态电池设备的瓶颈：等静压

Investment Rating - The industry investment rating is maintained as "Outperform the Market" [3][55]. Core Insights - The core bottleneck for solid-state battery performance and mass production is the densification of the solid-solid interface, which can be improved using isostatic pressing technology [5]. - Isostatic pressing technology effectively eliminates internal voids in battery cells, enhances inter-component contact, increases conductivity, and reduces volume changes during operation [5]. - The global isostatic pressing market is projected to reach 91.26 billion yuan by 2030, with a compound annual growth rate of 6.69% [27]. Summary by Sections Isostatic Pressing Equipment - Isostatic pressing machines are categorized into cold, warm, and hot types based on the temperature during forming and consolidation [20][21]. - Cold isostatic pressing operates at room temperature with pressures ranging from 100 to 630 MPa, while warm and hot types operate at temperatures not exceeding 500°C and 1000-2200°C, respectively [21][23]. Latest Developments of Leading Companies - Naconor is focusing on solid-state battery core equipment, including isostatic pressing technology, which is still in the R&D and validation stage [7]. - China Aviation Industry Corporation's subsidiary, Chuanxi Machinery, has produced over 1,500 isostatic pressing machines, widely used in defense and high-tech sectors [7]. Market Trends - The Asia-Pacific region is leading the global isostatic pressing market due to demand for high-performance components and favorable government policies [27]. - North America and Europe are emerging markets for isostatic pressing, driven by manufacturing in aerospace, automotive, and energy sectors [27]. Applications of Isostatic Pressing Technology - Isostatic pressing is applied in various industries, including ceramics, hard alloys, new energy, and refractory materials, to enhance density and performance [14]. - The technology ensures uniform pressure application, reducing internal stress and improving mechanical properties [26]. Equipment Development and Innovations - The HIPEX1850 hot isostatic pressing machine developed by China Steel Research is the second largest in the world, capable of processing large aerospace components [31]. - Sichuan Lieneng has developed the first large-diameter, high-pressure warm isostatic pressing machine in China, addressing equipment challenges for large ceramic parts [42].