Core Insights - The report titled "2025 REBCO High-Temperature Superconducting Tape Strategic Research Report" is the first strategic research report focusing on the development of high-temperature superconducting tapes, released by the Chinese Academy of Sciences [1][4]. Group 1: Current Status and Applications - The report systematically reviews the global research, industrialization, and application status of REBCO high-temperature superconducting tapes, identifying ten key scientific and technological issues that need to be addressed for large-scale application [2]. - Superconducting materials, known for their zero resistance and complete diamagnetism, are considered highly strategic materials with broad application prospects in energy, transportation, medical, and scientific research fields [3]. - Traditional superconductors operate at extremely low temperatures (-269°C), leading to high cooling costs and reliance on scarce helium resources, which has limited their application to large scientific devices and high-end medical equipment [3]. Group 2: Advantages of REBCO - REBCO high-temperature superconducting materials have a critical temperature above liquid nitrogen temperature (-196°C), significantly reducing cooling costs and enhancing performance in current carrying and magnetic field resistance, thus laying the foundation for broader applications [5]. - Applications of REBCO are primarily concentrated in two areas: power systems and magnet systems. In power systems, REBCO tapes can be used to manufacture superconducting cables and fault current limiters, which are crucial for urban grid upgrades and ensuring grid safety [5]. - In magnet systems, REBCO tapes are applied in nuclear fusion devices, high-field magnetic resonance imaging, and superconducting motors, which require high mechanical strength and stability [5]. Group 3: Key Scientific and Technological Issues - The report identifies ten critical scientific and technological issues hindering the large-scale application of REBCO tapes, spanning the entire material system from the base layer to the superconducting functional layer [6][7]. - These issues include enhancing the yield strength and fatigue resistance of alloy substrates, overcoming inherent limitations of buffer layer materials, and achieving stability and uniformity in thin-film deposition processes [6][7]. Group 4: Future Directions - The report emphasizes the need for collaborative innovation in materials, processes, and applications to enhance the performance of REBCO tapes, focusing on optimizing internal structures, improving strength and toughness balance, and developing scalable and consistent manufacturing processes [9]. - The release of this report clarifies key directions and implementation paths for China's high-temperature superconducting field, aiming to transition from following to leading in this technology [11].

Core Viewpoint - The report released by the Institute of Physics, Chinese Academy of Sciences, outlines the current state and future direction of REBCO high-temperature superconducting tape, identifying ten key scientific and technological challenges that need to be addressed for large-scale application [1][5]. Group 1: Overview of REBCO High-Temperature Superconductors - Superconducting materials, particularly REBCO, are recognized for their extraordinary properties such as zero electrical resistance and complete diamagnetism, making them strategically valuable in various fields including energy, transportation, and healthcare [3]. - Traditional superconductors operate at extremely low temperatures (-269°C), leading to high cooling costs and limited applications primarily in large scientific devices and high-end medical equipment [3]. - REBCO superconductors, with a critical temperature above liquid nitrogen temperature (-196°C), significantly reduce cooling costs and enhance performance in carrying current and resisting magnetic fields, paving the way for broader applications [3][4]. Group 2: Applications and Development Focus - The applications of REBCO superconducting tape are mainly concentrated in two areas: power systems and magnet systems [3]. - In power systems, REBCO tape can be used to manufacture superconducting cables and fault current limiters, which are essential for urban grid upgrades and ensuring grid safety during short circuits [3]. - In magnet systems, REBCO tape's strong current-carrying capacity under high magnetic fields makes it suitable for fusion devices, high-field magnetic resonance imaging, and superconducting motors, which require high mechanical strength and stability [4]. Group 3: Challenges and Future Directions - Despite entering the early commercialization phase, there is significant room for performance improvement in REBCO superconducting tape, which consists of a multi-layer composite structure [4]. - Future development should focus on optimizing the internal structure of the superconducting layer to enhance current-carrying capacity in magnetic fields, improving the balance of strength and toughness in the base, buffer, and protective layers, and developing scalable and consistent manufacturing processes [4]. - The report identifies ten key scientific and technological challenges that hinder the large-scale application of REBCO tape, emphasizing the need for deep collaboration across materials science, physics, and engineering to address these issues [5].

SHMET 网讯：1月26日，中国科学院物理研究所正式发布《2025年度REBCO高温超导带材战略研 究报告》。这是国际首个聚焦高温超导带材发展的战略研究报告，系统梳理了稀土钡铜氧（REBCO） 高温超导带材在全球范围内的研发、产业化与应用现状，并首次凝练提出了该领域面临的"十大关键科 学技术问题"，为实现高温超导材料的大规模应用提供了清晰的路线图。 超导材料具有零电阻和完全抗磁性等非凡特性，被视为21世纪极具战略价值的前沿材料，在能源、 交通、医疗、科研等多个关键领域有广阔应用前景，是推动未来技术突破的重要基石。然而，传统超导 材料需要在极低的液氦温度（-269℃）下工作，制冷成本高且依赖稀缺的氦资源。因此，过去几十年 里，超导技术的应用一直局限于大型科研装置（如粒子加速器）和高端医疗设备（如核磁共振仪）等少 数领域。 尽管稀土钡铜氧高温超导带材已进入商业化初期，但性能仍有很大提升空间。当前高温超导带材是 由合金基带、缓冲层、超导层和保护层组成的多层复合结构。未来发展的关键在于，系统推进材料、工 艺与应用的协同创新，具体体现在：针对超导层，需优化内部结构以增强其在磁场中的载流能力；围绕 基带、缓冲层和保护层 ...

Core Insights - The Chinese Academy of Sciences has released the first strategic research report on REBCO high-temperature superconducting tapes, outlining the current state of research, industrialization, and application globally, and identifying ten key scientific and technological issues in the field [1][3] Group 1: Superconducting Materials Overview - Superconducting materials exhibit extraordinary properties such as zero resistance and complete diamagnetism, making them strategically valuable in various fields including energy, transportation, medical, and scientific research [1] - Traditional superconductors require extremely low temperatures (−269°C), leading to high cooling costs and reliance on scarce helium resources, which has limited their application to large scientific devices and high-end medical equipment [1] Group 2: REBCO High-Temperature Superconductors - REBCO superconductors operate at temperatures above liquid nitrogen (−196°C), significantly reducing cooling costs and enhancing performance in current-carrying capacity and magnetic field resistance, thus laying the foundation for broader applications [2] - Since commercial production began in 2006, REBCO high-temperature superconducting tapes have shown significant potential in fields such as magnetic confinement fusion, high-end medical devices, large scientific installations, and superconducting power equipment [2] Group 3: Applications and Technical Focus - The applications of REBCO tapes are primarily concentrated in two areas: power systems and magnet systems [2] - In power systems, REBCO tapes can be used to manufacture superconducting cables and fault current limiters, which are crucial for urban grid upgrades and ensuring grid safety [2] - In magnet systems, REBCO tapes are essential for devices like fusion reactors and high-field magnetic resonance imaging, where mechanical strength and stability are critical [2] Group 4: Future Development and Challenges - Despite entering the commercialization phase, there is significant room for performance improvement in REBCO tapes, which consist of a multi-layer composite structure [3] - Future development will focus on collaborative innovation across materials, processes, and applications, addressing issues such as enhancing current-carrying capacity, improving strength and toughness balance, and achieving scalable, consistent production processes [3] - The report identifies ten key scientific and technological issues that hinder the large-scale application of REBCO tapes, emphasizing the need for interdisciplinary collaboration to overcome these challenges [3]

Group 1 - The provincial and municipal leadership emphasizes the importance of aligning with national strategies and enhancing core technologies to support high-quality economic development in Xi'an [1][2] - Companies like Western Superconducting Technologies Co., Ltd. and LONGi Green Energy Technology Co., Ltd. are encouraged to focus on innovation, product development, and market expansion to strengthen their competitive advantages [1][2] - The Xi'an Geely Automobile Co., Ltd. is urged to accelerate new product and technology development while adapting to market demands, especially in a challenging economic environment [2] Group 2 - The Economic Development Zone is identified as a key area for economic growth, with a focus on technological innovation and advanced manufacturing as primary development directions [2] - The leadership calls for enhanced investment attraction and project construction to support high-quality development, emphasizing the need for a favorable business environment [2] - There is a strong emphasis on stabilizing growth and ensuring successful project execution in the first quarter to contribute to the overall economic stability of the city [2]

Core Viewpoint - The company Yongding Co., Ltd. (600105) has made significant progress in advanced materials by successfully winning a procurement project for REBCO high-temperature superconducting tape from the Southwest Institute of Physics, marking a milestone in its relationship with core customers in controlled nuclear fusion [1][3]. Group 1: Company Achievements - The subsidiary Dongbu Superconductor has expanded its production capacity and optimized its production line while advancing technology research and industrialization, resulting in significant order acquisition [3]. - The recent procurement win is seen as a major step for the company, indicating that its second-generation high-temperature superconducting tape has received high recognition from a domestic authoritative research institution [3][4]. - Dongbu Superconductor has established a complete industrial chain covering research and development, mass production, and engineering services, entering a fast track of high-quality development [4]. Group 2: Technical Developments - The HF1200 series high-performance REBCO superconducting tape can now be mass-produced in kilometer-long lengths, achieving a current capacity of over 1200A at 20K and 20T vertical field [4]. - This advancement allows for the production of long superconducting materials, overcoming previous limitations in creating superconducting magnets for controlled nuclear fusion [4]. - The HF1200 series demonstrates excellent pinning performance and strong field application potential, laying a solid foundation for large-scale applications in cutting-edge fields like magnetic confinement controlled nuclear fusion [4]. Group 3: Market Trends - The controlled nuclear fusion sector has seen a rise in interest, with the Eastern Fortune controlled nuclear fusion index (861525.EI) showing a significant increase of over 10% since January 1 [5]. - As of January 14, stocks related to controlled nuclear fusion, including Yongding Co., Ltd., have shown strong performance, with increases of over 3% for Yongding and over 7% for other related companies [7].

Core Insights - Jiangsu Yongding Co., Ltd. announced that its subsidiary, Eastern Superconductor Technology (Suzhou) Co., Ltd., has successfully developed REBCO high-temperature superconducting tape, which has shown excellent performance compatibility and process adaptability [1] - The REBCO tape supplied by Eastern Superconductor was used in the second-generation high-temperature superconducting model TF coil developed by New Energy Group, which passed factory testing and met all performance indicators required for its hydrogen-boron spherical ring experimental device [1] - The optimization of cable design and manufacturing processes by the New Energy team has nearly doubled the utilization rate of superconducting tape in the second-generation model coil, significantly enhancing the economic competitiveness of future commercial fusion reactor magnets [1] Company and Industry Summary - Eastern Superconductor is committed to the research and large-scale production of high-performance REBCO high-temperature superconducting tape and has become a core material supplier for several domestic fusion energy research institutions and commercial companies [1] - The successful development of the hydrogen-boron spherical ring high-temperature superconducting model coil further demonstrates the reliability and leading position of Eastern Superconductor's REBCO tape in the cutting-edge energy technology field [1]

Core Viewpoint - The Guangzhou Municipal Government has issued a plan to accelerate the construction of a strong advanced manufacturing city from 2024 to 2035, focusing on high-temperature superconducting materials research and development [1] Group 1: Research and Development Initiatives - The plan includes the development of copper oxide superconductors and iron-based superconductors, emphasizing the need for a large-scale research and development platform for superconducting materials preparation and characterization [1] - It aims to conduct research on the scalable preparation processes of practical superconducting materials, expanding the application scenarios for low-temperature superconducting materials [1] Group 2: Application Areas - The initiative seeks to promote the application of high-temperature superconducting materials in various fields, including controlled nuclear fusion, power transmission, medical devices, electronic communications, and national defense [1]

Group 1 - The controllable nuclear fusion sector in A-shares shows a strong upward trend, with stocks like Wangzi New Materials leading the surge, indicating heightened market interest in the sector due to favorable policies and technological breakthroughs [1] - The trading volume in the sector increased significantly in the morning session, reflecting effective release of market energy and supporting stock price increases [1] - The sector is expected to receive dual benefits from technological breakthroughs and policy improvements by January 2026, with significant developments in China's "artificial sun" experiment confirming the existence of the density free zone [1] Group 2 - The Chinese government has included controllable nuclear fusion as a key growth point in the 14th Five-Year Plan, defining four core industrial chain segments: superconducting magnets, vacuum chambers, divertors, and supporting equipment [2] - Leading enterprises are already positioning themselves in these segments, accelerating the commercialization process of the "artificial sun" and driving significant benefits across the supply chain [2] - The superconducting materials industry is expected to see sustained demand growth, as superconducting magnets are critical for high-temperature plasma confinement, with low-temperature superconducting magnets accounting for 28% of the total cost of international ITER devices [2] Group 3 - The extreme environment materials industry is crucial for the protective components of controllable nuclear fusion devices, which must withstand temperatures significantly higher than those experienced by spacecraft during re-entry [3] - Domestic companies have achieved technological breakthroughs in tungsten-based composite materials, reaching international advanced levels [3] - The core equipment manufacturing sector is essential for constructing controllable nuclear fusion devices, with components like vacuum chambers and cooling systems requiring high precision and strict technical standards [3]

Investment Rating - The report maintains a recommendation for the superconducting magnet segment in the controllable nuclear fusion industry, highlighting it as the segment with the highest value contribution [2][10]. Core Insights - Superconducting magnets are critical components of the Tokamak device, essential for confining plasma at temperatures exceeding one hundred million degrees Celsius [6][15]. - The report emphasizes that controllable nuclear fusion is entering a capital expenditure expansion phase from 2025 to 2028, with significant market opportunities arising for high-temperature superconducting materials [9][10]. - The market for second-generation high-temperature superconducting materials is projected to grow at a compound annual growth rate (CAGR) of 59.3% from 2024 to 2030, reaching a market size of 4.9 billion yuan per year by 2030 [9][10]. Summary by Sections Superconducting Magnets: The Highest Value Segment in Controllable Nuclear Fusion - Superconducting magnets are the core components of Tokamak devices, crucial for maintaining high-temperature plasma confinement [6][15]. - The value contribution of low-temperature and high-temperature superconducting magnets is approximately 30% and 40%, respectively [6][28]. - Low-temperature superconducting technology is relatively mature, while high-temperature superconducting materials offer superior performance and are expected to be used in future Tokamak reactors [6][51]. Low-Temperature Superconducting Materials: Mature Technology and Complete Supply Chain - The low-temperature superconducting route has reached a relatively mature stage, with stable mass production capabilities [6][44]. - The supply chain is well-established, with core processing in the midstream and broad application potential downstream [6][44]. High-Temperature Superconducting Materials: Significant Opportunities from Nuclear Fusion - High-temperature superconducting materials can significantly reduce device size and are expected to become the core development direction for next-generation nuclear fusion devices [6][45]. - The midstream manufacturing of high-temperature superconducting materials is a critical segment, with controllable nuclear fusion being the largest application area [6][45]. Key Companies in the Industry - Shanghai Superconductor is a leading company in high-temperature superconducting materials, expected to play a central role in the commercialization of controllable nuclear fusion [10][10]. - Yongding Co., Ltd. is the controlling shareholder of East Superconductor, which has established close cooperation with multiple fusion reactors [10][10]. - Lianchuang Optoelectronics is positioned in the high-temperature superconducting magnet segment, maintaining stable traditional operations while exploring future growth in nuclear fusion and laser technologies [10][10]. - Xibu Superconductor is recognized as a domestic leader in low-temperature superconductors [10][10]. - Jingda Co., Ltd. is the largest shareholder of Shanghai Superconductor, strategically entering the high-temperature superconducting market [10][10].