[Table_Title] 证券研究报告/公司动态报告 单壁产品提升盈利能力、固态电池扩大市场空间 报告摘要： [Table_Summary] 固态电池大幅提升碳纳米管市场空间。在固态电池领域，由于其对导电 剂的性能和用量要求更高，单壁碳纳米管的市场空间更为广阔。根据高 工锂电预测，目前液态电池对碳纳米管导电剂的需求约为 20-30 吨每 GWh，而半固态电池的导电剂需求将大幅提升至 70-120 吨每 GWh。如 果液态电池碳纳米管添加量以 20 吨/GWh，半固态电池碳纳米管添加量 以 70 吨/GWh，半固态电池较液态电池增长 2.5 倍。鉴于固态电池在材 料特性与结构设计上的升级，其对碳纳米管导电剂的需求大概率远超半 固态电池。国内市场方面，新能源汽车渗透率增长 50%，结合固态电池 对碳纳米管导电剂需求是液态电池上限的 4 倍，预计中国市场固态电池 中碳纳米管导电剂需求有望扩大 5 倍。海外市场方面，新能源汽车渗透 率增长约 6 倍，结合需求倍数 4，海外固态电池中碳纳米管导电剂需求 有望扩大 27 倍。综合来看，在新能源汽车市场规模持续扩张与固态电池 技术革新的双重作用下，全球固态电池中的碳纳米管 ...

Core Insights - The rapid development of the electric vehicle market and stable growth in lithium battery demand have led to an increase in China's carbon nanotube conductive paste shipments from 56,000 tons in 2019 to 145,000 tons in 2024, with a compound annual growth rate (CAGR) of 21% [4] - It is predicted that the shipment volume of carbon nanotube conductive paste will reach 310,000 tons by 2027, with a CAGR of 29% from 2025 to 2027 [4] - The trend of "fast charging" in the electric vehicle industry significantly enhances the performance of lithium batteries, and carbon nanotubes play a crucial role in this improvement [5] Market and Technology Trends - Many companies are adopting a combination of single-walled and multi-walled carbon nanotubes for batteries above 3C, with an additional 2% to 4% of single-walled carbon nanotubes added to 4C batteries to enhance fast charging performance [6] - Silicon-based anodes are emerging as a new type of anode material that aligns with the development trend of high energy density batteries, and they are more compatible with carbon nanotubes, especially single-walled carbon nanotubes [6] - The upcoming mass production of "large cylindrical" batteries and "solid-state batteries" in the next few years will increase the usage of silicon-based anodes, further driving the growth of the carbon nanotube industry [6][8] Industry Developments - The 9th International Carbon Materials Conference and Industry Exhibition will be held in Shanghai from December 9-11, 2025, showcasing numerous leading companies in the carbon nanotube sector [9] - Jiangsu Super Carbon Xianfeng Technology Co., Ltd. is focused on the industrialization and commercialization of carbon nanotube materials, currently in the pilot scale-up phase with a monthly capacity of 100 kg, aiming to expand to 15 tons/year in the first phase and 30 tons/year in the second phase [10] - Jiangsu Tianchuang New Materials Technology Co., Ltd. has achieved continuous mass production of carbon nanotube films and fibers, with an annual production capacity of several hundred thousand square meters [11] Company Highlights - Shandong Changxin Chemical Technology Co., Ltd. is the largest producer of N-Methyl-2-pyrrolidone (NMP) in China, with a CNT powder capacity of 4,800 tons/year and a conductive agent capacity of 70,000 tons/year as of the end of 2023 [12] - Shandong Carbon Peak New Materials Technology Co., Ltd. has over ten effective patents and plans to reach a production capacity of 1,000 tons/year for high-purity single-walled carbon nanotube powder by 2028 [16] - Wuhan Carbon Weng Technology Co., Ltd. is the first company in China to achieve ton-level mass production of single-walled carbon nanotubes, with plans to expand its annual capacity to 120 tons [22]

Core Viewpoint - The solid-state battery industry is accelerating, leading to a significant increase in demand for single-walled carbon nanotubes (SWCNTs) as conductive agents, with companies like Tianan Technology achieving substantial output and capacity expansion in this sector [2][11]. Group 1: Market Dynamics - In 2025, Tianan Technology has already achieved a shipment of 1,500 tons of carbon nanotube slurry, with single-walled products accounting for 70% of this volume [3]. - The company expects to increase its single-walled slurry shipments to between 1,500 and 2,000 tons in Q3 2023, with a projected output capacity of 10,000 tons by 2026 [3][11]. - The market for single-walled carbon nanotubes is anticipated to reach a potential scale of $10 billion within five years, driven by their higher profitability compared to traditional products [9]. Group 2: Company Developments - Tianan Technology has established stable partnerships with domestic solid-state battery companies and has also entered international markets, collaborating with QuantumScape in the U.S. [4]. - The company is expanding its production capacity, planning to build a project with an annual output of 450 tons of single-walled carbon nanotubes, with phases set to be completed by the end of 2026 [5]. - Other companies, such as Dao Technology, are also ramping up their production capabilities, with plans to invest in new projects to produce single-walled carbon nanotubes [5][6]. Group 3: Product Innovation - Single-walled carbon nanotubes are expected to see increased usage in solid-state batteries, with their addition rates significantly higher than those of traditional multi-walled carbon nanotubes [7]. - The application of single-walled carbon nanotubes is expanding into emerging fields such as robotics and electronic devices, indicating a broader market potential [8]. - Tianan Technology is also developing a fourth-generation product that combines single-walled and multi-walled slurries, aiming for a lower price point and a target shipment of 10,000 tons by 2025 [10].

Core Viewpoint - The establishment of Changzhou Tiannai Robotics by Tiannai Technology aims to explore the application of carbon nanotubes in the robotics sector, marking a strategic shift from solely serving the lithium battery industry to diversifying into new markets [4][8]. Group 1: Company Developments - Tiannai Technology has invested 5 million yuan to set up a wholly-owned subsidiary focused on the research and market development of carbon nanotube materials for robotics [4]. - The company has a leading position in the dispersion slurry and single-walled carbon nanotube technology, which is crucial for mitigating the impact of industry cycles on performance [4][8]. Group 2: Industry Trends - The robotics industry is transitioning from demonstration applications to large-scale implementation, with global industrial robot sales consistently exceeding 500,000 units annually [5]. - The rise of "embodied intelligence" has expanded the role of robots beyond manufacturing to include human-robot interaction and daily life applications [5]. Group 3: Material Innovations - Carbon nanotubes are identified as a promising material for robotics due to their high strength, excellent conductivity, and ability to be woven and compounded [6]. - Applications of carbon nanotubes in robotics include enhanced composite materials, electromagnetic shielding, anti-static components, artificial muscles, and flexible sensors, covering multiple critical areas of the robotics supply chain [6][7]. Group 4: Future Prospects - The potential for carbon nanotube fibers to be developed into "electrically driven muscles" could revolutionize robotic movement, making it more akin to biological systems [7]. - Tiannai Technology's ability to scale production and ensure consistency in carbon nanotube manufacturing positions it well for cross-industry applications, which could lead to significant market breakthroughs [7][8].

Core Viewpoint - Daoshi Technology is shifting its fundraising focus from a planned project for ternary precursor production to a new project for single-walled carbon nanotubes, indicating a strategic move to capture market share in this high-demand sector [3][5]. Fundraising and Project Details - The company has approved a change in the use of 300 million yuan of unallocated funds from the original plan for a 100,000-ton ternary precursor project to a new project for producing 120 tons of single-walled carbon nanotubes [3][4]. - The new project, managed by Jiangmen Haoxin New Energy Co., has a total investment of 600 million yuan and an estimated construction period of three years [4]. Market Dynamics and Demand - Single-walled carbon nanotubes (SWCNTs) are characterized by superior performance and higher technical barriers compared to multi-walled carbon nanotubes, with current supply unable to meet demand [5][6]. - The global market for SWCNTs is dominated by OCSiAl, which holds over 90% market share, while domestic players like Tianai Technology are also expanding production capabilities [5][9]. - The demand for SWCNTs is expected to rise significantly, particularly in the lithium battery sector, where their use as conductive agents is projected to grow from 18.4% in 2024 to over 20% in 2025 [5]. Production Capacity and Future Outlook - Daoshi Technology aims to achieve an annual production capacity of 50 tons by Q1 2026, with plans to reach 120 tons within the following year [5]. - Tianai Technology is also ramping up production, with a 450-ton project expected to begin operations in Q4 of this year [8][9]. - The overall market for SWCNTs is projected to grow from $1.37 billion in 2024 to $1.55 billion in 2025, reaching $3.63 billion by 2032, with a compound annual growth rate of 13.0% [18]. Technological Advancements - Daoshi Technology has reportedly overcome challenges in the low-cost, large-scale production of SWCNTs, positioning itself to meet the high-end market demands [5]. - Tianai Technology has developed continuous production techniques for SWCNTs, enabling it to supply high-quality products for various applications, including lithium-silicon batteries [9][12]. Applications and Industry Trends - The increasing demand for high-capacity and fast-charging lithium batteries is driving the need for SWCNTs, with projections indicating significant market growth in the cylindrical battery sector [12][13]. - The potential for SWCNTs extends beyond lithium batteries, with ongoing research into applications in lithium-sulfur and sodium-ion batteries, indicating a broadening market scope [15][18].

Key Insights - The report highlights the significant growth in the renewable energy sector, particularly in wind and solar power, with cumulative installed capacity surpassing thermal power for the first time [5][6] - The performance of various companies in the renewable energy and materials sectors shows strong revenue growth and improved profitability, indicating a positive trend in these industries [7][11][14][20][23] Industry Commentary - The new materials sector has seen a weekly increase, with the new materials index rising by 3.51%, while specific segments like industrial gases and battery chemicals have also shown strong performance [5] - Wind and solar power installations reached a total of 1.482 billion kilowatts, with wind power at 536 million kilowatts and solar power at 946 million kilowatts, marking a significant milestone in the energy transition [5] - The report predicts that annual new installations of wind power will exceed 100 million kilowatts starting in 2025, entering a new era of renewable energy growth in China [5] Company Analysis - **Sungrow Power Supply Co., Ltd. (300274.SZ)**: The company reported a revenue of 77.86 billion yuan for 2024, a year-on-year increase of 7.8%, and a net profit of 11.04 billion yuan, up 16.9%. In Q1 2025, revenue reached 19.04 billion yuan, a 50.9% increase year-on-year [7][9] - **Sailun Tire (601058.SH)**: The company achieved a total revenue of 31.802 billion yuan in 2024, a 22.42% increase, with a net profit of 4.063 billion yuan, up 31.42%. In Q1 2025, revenue was 8.411 billion yuan, reflecting a 15.29% increase [11][12] - **Hengli Hydraulic (601100.SH)**: The company reported a revenue of 9.39 billion yuan in 2024, a 4.51% increase, with a net profit of 2.509 billion yuan, up 0.4%. The Q1 2025 revenue was 2.422 billion yuan, a 2.56% increase year-on-year [14][16] - **Zhaowei Electromechanical (003021.SZ)**: The company reported a revenue of 1.525 billion yuan in 2024, a 26.42% increase, with a net profit of 225 million yuan, up 25.11%. In Q1 2025, revenue was 368 million yuan, a 17.66% increase [20] - **Tianwei Technology (688116.SH)**: The company achieved a revenue of 1.45 billion yuan in 2024, a 3.1% increase, with a net profit of 250 million yuan, down 15.8%. In Q1 2025, revenue was 330 million yuan, a 9% increase [23][24] Investment Recommendations - The report suggests a focus on companies within the wind and solar energy sectors, as they are expected to benefit from the ongoing transition to renewable energy and the increasing demand for sustainable solutions [5][7] - Companies like Sungrow and Sailun Tire are highlighted for their strong growth trajectories and market positions, making them attractive investment opportunities [7][11]

Investment Rating - The report does not explicitly state an investment rating for the carbon nanotube industry Core Insights - Carbon nanotubes (CNTs) are a new type of material with exceptional mechanical, electrical, thermal, and chemical stability properties [2][3] - The market for carbon nanotubes is expected to grow significantly, but the growth rate is lagging behind that of lithium batteries [29] Summary by Sections 1. What are Carbon Nanotubes? - Carbon nanotubes are seamless nanoscale tubes formed by rolling single or multiple layers of graphene [2] - They exhibit strength approximately 100 times that of steel while having a density about 1/6 that of steel [2] - Their mechanical properties include high strength and flexibility, with a Young's modulus nearly six times that of steel [2] 2. Electrical and Thermal Properties - CNTs have excellent electrical conductivity, theoretically second only to superconductors, with minimal energy loss during electron transport [3] - They are also known for their superior thermal conductivity, being 3-6 times more efficient than diamond [3] 3. Types of Carbon Nanotubes - Carbon nanotubes can be classified into single-walled (SWCNT) and multi-walled (MWCNT) types, with SWCNTs generally exhibiting superior performance [9][10] - SWCNTs have a diameter of 1-2 nm and a length that can reach up to 1 mm, while MWCNTs have a diameter ranging from 7-100 nm [9] 4. Applications of Single-Walled Carbon Nanotubes - SWCNTs are widely used in structural materials, composite materials, enhanced plastics, industrial coatings, automotive tires, and energy storage [14][15] - They can significantly improve the mechanical properties of materials, such as increasing tensile strength by 100 MPa with just a 1% addition by weight [10][15] 5. Carbon Nanotubes in Lithium Batteries - CNTs enhance the conductivity of lithium battery electrodes, improving charge and discharge efficiency [23] - They provide structural stability to electrodes, mitigating volume changes during charge cycles, thus enhancing cycle life [24] - The use of CNTs can also improve the ionic transport properties of electrolytes, leading to better battery performance [25] 6. Market Growth and Trends - The carbon nanotube slurry market in China is projected to grow from 48,000 tons in 2020 to 145,000 tons by 2024, with a compound annual growth rate (CAGR) of 32% [29] - In contrast, lithium battery shipments are expected to increase from 143 GWh in 2020 to 1,175 GWh by 2024, with a CAGR of 69% [29] - The trend towards fast charging in electric vehicles is expected to drive the adoption of CNTs in lithium batteries, as they enhance the battery's rate performance [31][32]