星源材质（300568.SZ）10月9日在投资者互动平台表示，针对固态电池，公司做了较为全面的布局。固 态电解质材料方面，公司参股的新源邦已经拥有氧化物电解质百吨级产能和十吨级出货，硫化物电解质 预计2025年有吨级出货。在固态电解质膜方面，公司分别开发了氧化物复合型和聚合物复合型固态电解 质膜，可以提升半固态电池的循环并降低阻抗，显著提升安全性；用于高镍三元体系的半固态电池，可 助力通过160℃热箱测试和针刺试验，极大提高电池的安全性。在刚性骨架膜方面，公司分别开发了高 强度耐热型复合骨架膜、高孔隙率型骨架膜和高耐热型大孔骨架膜等类型，可用于生产刚柔并济型聚合 物全固态电池、有机-无机复合型全固态电池、硫化物全固态电池等，可获得全固态电池的高能量密度 和本征安全性，还可提升全固态电池的装配效率，进一步优化其机械安全性和热安全性。公司高度关注 电池领域前沿材料的研发与应用，将加大固态电池领域的研发投入和市场开发。相关产品都已陆续向头 部电池企业送样。 每经AI快讯，有投资者在投资者互动平台提问：请问公司在固态电池方面有哪些相关技术储备，在全 固态电池领域有无建树？ （记者 王瀚黎） ...

一直以来，广发证券主动担起金融机构的主体责任，发挥业务优势，打造丰富的投教载体，贯彻资本市 场人民性立场，树牢金融为民的理念，引领投资者教育工作走在行业前列。随着一系列新政策的出台， 我国资本市场进入新发展阶段，广发证券特在《中国证券报》开设"投研财富+"投教专栏，聚焦新质生 产力方向和市场热点，向广大投资者普及专业投研框架、分享专业机构观点，帮助投资者掌握投资分析 方法，更加有效维护投资者特别是中小投资者合法权益，持续提升投资者的获得感，聚力推动我国资本 市场实现高质量发展。 在产业和技术共振下，固态电池产业化持续加速，建议可以关注产业链中的变化/增量环节，包括硫化 物电解质及硫化锂、锂金属负极、设备端等环节。同时，也提醒投资者注意固态电池产业化在技术和成 本层面仍面临一定制约，技术层面主要是离子输运机制尚未清晰，存在固固界面接触问题，成本层面主 要是原材料成本高，设备改动增加成本。 但需要提醒的是，固态电池可能面临新技术进展不及预期、新能源汽车销量不及预期、中游价格下跌超 预期等风险情况。 固态电池的应用场景广阔，有望进入快速成长通道。主要应用场景包括消费电子、新能源汽车、低空经 济、机器人等，短期增长有 ...

Group 1 - The company has established partnerships in the solid-state battery sector with several domestic and international battery manufacturers and automotive companies, including Qingtao and CATL [1] - By the first half of 2025, the company expects to achieve ton-level shipments of all-solid-state ternary cathode materials and small batch shipments of sulfide electrolytes, with product performance indicators at the industry-leading level [1] - The pilot line for sulfide electrolytes is currently being accelerated [1]

Core Viewpoint - Company Rongbai Technology (688005.SH) has established partnerships with several domestic and international battery manufacturers and vehicle enterprises in the solid-state battery sector, indicating a strong position in the industry [1] Group 1 - The company has formed collaborations with notable entities such as Qingtao and CATL, enhancing its market presence [1] - There are ongoing collaborations on national key research projects, showcasing the company's commitment to innovation and development in solid-state battery technology [1] Group 2 - By the first half of 2025, the company expects to achieve ton-level shipments of all-solid-state ternary cathode materials, indicating significant production capabilities [1] - The company has already made small batch shipments of sulfide electrolytes, with product performance metrics at industry-leading levels [1] - The pilot line for sulfide electrolytes is being accelerated, reflecting the company's focus on scaling up production and improving technology [1]

Summary of Solid-State Battery Industry Conference Call Industry Overview - The solid-state battery industry is gaining significant attention at the national level, with the government actively promoting its development through special funding and standard-setting initiatives [1][2] - The China Automotive Engineering Society has initiated the formulation of relevant standards for solid-state batteries, with a special fund of 6 billion yuan released last year and ongoing mid-term inspections this year [1][2] Key Developments - Leading companies like CATL have completed pilot line integration and are preparing to bid for 20 Wh-level production lines, indicating a shift from pilot testing to small-scale production [2] - Secondary manufacturers such as Haopeng and XWANDA are also actively following suit, suggesting a broadening of the industry beyond just leading firms [2] Future Milestones - Key milestones for solid-state battery development include design finalization in 2028 and large-scale production starting in 2030 [1][4] - By 2026, automotive-grade cell samples are expected to be produced, with preliminary orders for upstream raw materials [4] - The year 2027 will focus on data acquisition and optimization, leading to the design finalization of the first-generation products in 2028 [4] Investment Focus - Currently, the equipment segment is the most direct beneficiary, but from 2026 onwards, attention should shift to the materials segment, particularly high-end auxiliary materials such as lithium sulfide and sulfide electrolytes [5] - Lithium sulfide, as a precursor material, accounts for over 80% of production costs, making it a critical bottleneck for cost reduction and industrialization [5] Challenges in Commercialization - The commercialization of lithium sulfide faces several challenges, including low purity, large particle size, high cost, and sensitivity to moisture [6][7] - High production equipment requirements and development difficulties are also significant hurdles [6] Core Barriers and Opportunities - The core barriers in the battery industry include the diversity of technical processes and the advantages of traditional manufacturers in customer channels and scalability [8] - Despite the lack of a single dominant process, this diversity presents opportunities for both traditional and emerging players, especially resource-based companies [8] Advantages of Resource-Based Enterprises - Resource-based companies like Tianqi, Yahua, and Ganfeng have inherent advantages due to their upstream lithium or sulfur resources [9] - For instance, Tianqi plans to start construction on a nearly 50-ton lithium sulfide pilot production line by the end of 2025 [9] Characteristics of New Entrants - New entrants in the solid-state battery sector typically focus on a single technical route and achieve core breakthroughs and patents [10] - An example is Guocer Materials, which is developing both liquid-phase and solid-phase processes and plans to establish a nearly 100-ton production line by 2025 [10] Enhancements in Sulfide Performance - Sulfides, while having excellent properties, face issues such as moisture sensitivity and poor compatibility with high-voltage cathodes [11] - MOF (Metal-Organic Framework) materials show potential in addressing these issues by enhancing mechanical strength and suppressing ion penetration [11][12] Investment Trends - The solid-state battery industry is on a clear upward trajectory, with increased national attention and ongoing policy and financial support [13] - Investment should focus on high-barrier segments like sulfides and lithium sulfide, as well as companies with deep technical expertise in specific areas [13]

Group 1 - The company, Daoshitechnology, announced on September 12 that it is actively collaborating with leading enterprises for the development and testing of sulfide electrolytes, with positive feedback indicating that performance metrics are at an advanced industry level [1] - The company is progressing with multiple testing phases according to supply schedules, with some clients already passing the tests [1] - The company is also advancing capacity construction to meet customer demand for supply [1]

Group 1: Core Insights - Solid-state batteries are expected to become the ultimate technology route for power batteries, with intrinsic safety and high energy density [1] - The current focus is on sulfide solid electrolytes, with a breakthrough in electrolyte technology anticipated in 2027 and commercialization by 2030 [1] - Domestic policies are strongly supporting the development of solid-state batteries, with leading companies in batteries and new energy vehicles making comprehensive layouts [1] Group 2: Electrolyte Materials - Sulfide electrolytes are currently a hot topic, while composite electrolytes are viewed positively for the long term [2] - Inorganic electrolytes (sulfides, oxides, halides) offer high ionic conductivity and wide electrochemical windows, while polymer electrolytes provide good flexibility [2] - The current challenge for sulfide electrolytes is the cost reduction of lithium sulfide and optimization of binder in dry processing [2] Group 3: Anode and Cathode Materials - High-nickel ternary and silicon-carbon anodes are the mainstream choices in the short term, with lithium-rich manganese-based and lithium metal anodes to be explored in the long term [3] - High-nickel ternary technology is mature, and CVD silicon-carbon anodes offer performance and cost advantages [3] - Material modifications such as single crystalization, element doping, and surface coating will differentiate cathode manufacturers [3] Group 4: Current Collectors - Nickel-plated or nickel-based current collectors are resistant to corrosion, while porous structures alleviate expansion issues [4] - Traditional copper current collectors are prone to corrosion when in contact with sulfide electrolytes, leading to the adoption of nickel plating [4] - Porous copper foils are lightweight and flexible, making them suitable for silicon-carbon anodes [4] Group 5: Other Materials - Single-walled carbon nanotubes enhance the cycling, rate capability, and initial efficiency of silicon-carbon anodes, improving solid-state battery interface contact [5] - UV printing is gaining traction due to efficiency and performance, benefiting UV adhesives [5] - The skeleton membrane is undergoing iterative processes and may replace glue frame printing, significantly improving electrolyte membrane production efficiency [5]

Investment Rating - The industry rating is optimistic [2] Core Insights - Solid-state batteries are expected to achieve a technological breakthrough in electrolyte technology by 2027 and may reach industrialization by 2030, with sulfide solid-state batteries being the most emphasized route domestically and internationally [3][24] - The current focus is on sulfide electrolytes, while composite electrolytes are anticipated to be the best long-term solution [4][33] - High-nickel ternary materials and silicon-carbon anodes are expected to dominate in the short term, with lithium-rich manganese-based and lithium metal anodes being the long-term goals [5][56] - Nickel-coated or nickel-based current collectors are being developed to address corrosion issues, while porous copper foils are being explored for their lightweight and elastic properties [6] - Other materials such as single-walled carbon nanotubes and UV adhesives are also gaining attention for their potential in solid-state battery applications [7] Summary by Sections Solid-State Battery Overview - Solid-state batteries are considered the ultimate form of lithium batteries, balancing safety and energy density [16][18] - The timeline for achieving significant milestones includes 200-300 Wh/kg energy density by 2027 and 400 Wh/kg by 2030 [19][24] Electrolytes - Sulfide electrolytes are currently the focus, with challenges in cost reduction and production scalability [4][39] - The development of halide electrolytes is also being pursued to enhance electrochemical stability and compatibility with high-voltage cathodes [44] Cathode Materials - High-nickel ternary materials are expected to be the primary choice for solid-state batteries, with ongoing modifications to improve performance [45][50] - Lithium-rich manganese-based materials are being developed to enhance energy density and reduce costs [55] Anode Materials - CVD silicon-carbon anodes are emerging as a leading option due to their performance and cost advantages, with significant growth expected in the coming years [61] - Lithium metal anodes are viewed as the ultimate solution, with ongoing research to address associated challenges [64] Investment Recommendations - Focus on leading companies in various material segments, including sulfide electrolytes, high-nickel ternary cathodes, CVD silicon-carbon anodes, and nickel-based current collectors [8]

Core Insights - The solid-state battery industry is entering a critical phase of industrialization, driven by technological advancements and increasing market demand [5][6] - The electrolyte segment is highlighted as a key area for value creation, with significant market potential estimated at 240 billion [3] - Companies that successfully scale production of solid-state batteries are expected to see substantial market valuation increases [3][4] Material Sector - Eight battery manufacturers have established pilot lines with a capacity of 0.3 GWh, indicating progress from scientific challenges to engineering solutions for mass production [1] - Sulfide electrolytes are recognized for their potential, with two main production methods: wet method and gas-solid separation method, with companies like Huasheng Lithium and Shanghai Xiba leading the way [3] - The value of electrolytes for a 1 GWh solid-state battery is projected at 600 million, even after potential cost reductions [3] Equipment Sector - Equipment stocks are benefiting from the urgency of expansion in the solid-state battery sector, with a focus on fiberization equipment and other essential machinery [5] - Companies like Macro Technology and Delong Laser are noted for their significant order increases and technological advancements in production efficiency [5] - Solid-state battery equipment is expected to be a primary beneficiary of the industry's growth, as highlighted by reports from CITIC and CICC [5] Positive Signals from Battery Manufacturers - Companies like Rongbai Technology are signaling a shift towards lithium-rich manganese-based cathodes, which could enhance battery performance and reduce costs [4] - The introduction of these advanced materials is anticipated to drive market speculation and investment interest [4] Related Companies in the Solid-State Battery Sector - Key players in the solid-state battery supply chain include CATL, Ganfeng Lithium, Tianqi Lithium, and BYD, among others [6]

Core Insights - The solid-state battery industry is entering a critical phase of industrialization, driven by technological advancements and increasing market demand [5][6] - The electrolyte segment is highlighted as a key area for value creation, with significant market potential estimated at 240 billion [3] - Companies that successfully develop solid-state battery technologies are expected to see substantial market valuation increases [3][4] Material Sector - Eight battery manufacturers have established pilot lines with a capacity of 0.3 GWh, indicating progress in overcoming scientific challenges related to sulfide electrolytes [1] - The value of electrolytes for a 1 GWh solid-state battery is projected at 600 million, even after potential cost reductions [3] - Two main processes for sulfide electrolytes are recognized: wet method and gas-solid separation, with companies like Huasheng Lithium and Tianqi Materials leading in the wet method [3] Positive Signals in Cathode Materials - A significant development in cathode materials is indicated by Rongbai Technology's announcement of using lithium-rich manganese-based cathodes by the end of 2026, which could enhance voltage and reduce costs [4] - The combination of sulfide electrolytes and lithium-rich cathodes positions certain companies as strong candidates in the solid-state battery market [4] Equipment Sector - Equipment manufacturers are experiencing a premium due to the urgent demand for production expansion, particularly in fiberization equipment [5] - Companies like Macro Technology and Delong Laser are noted for their advanced capabilities in equipment for solid-state battery production [5] - The solid-state battery sector is expected to benefit significantly from policy support and technological advancements, leading to rapid market growth [5] Related Companies in the Solid-State Battery Sector - Key players in the solid-state battery industry include CATL, Ganfeng Lithium, Tianqi Lithium, and BYD, among others [6]