WST(SH:688122) 经济观察报·2025-08-02 04:01Core Viewpoint - The article discusses the advancements and market potential of high-temperature superconducting materials in the context of controlled nuclear fusion, highlighting the significant investment and technological developments in this sector. Group 1: High-Temperature Superconducting Materials - High-temperature superconducting materials can achieve zero resistance at temperatures above 40K, allowing for much higher current densities compared to traditional copper conductors [2] - The market for high-temperature superconducting magnets is expected to grow as the industry matures, driven by the demand from controlled nuclear fusion projects [10] - The production capacity of high-temperature superconducting materials is increasing, with companies like Shanghai Superconductor aiming to produce around 6000 kilometers of materials [7] Group 2: Investment and Development in Nuclear Fusion - China Fusion Energy Co. was established with a significant funding of 11.5 billion yuan to focus on key technologies like high-temperature superconductors [2] - The total investment for controlled nuclear fusion devices can reach up to 8.5 billion yuan for projects like BEST, with a substantial portion allocated to superconducting materials [5] - The demand for high-temperature superconducting materials is rising as more controlled nuclear fusion devices are being built, with a notable increase in sales and revenue for companies involved in this sector [8] Group 3: Challenges and Innovations - The main challenges in high-temperature superconducting materials include production capacity, performance stability, and the risk of "quenching," where the material loses its superconducting properties [6][7] - Companies are exploring engineering techniques to produce longer superconducting tapes while minimizing the risk of quenching [7] - The successful application of high-temperature superconductors in various fields, including nuclear magnetic resonance machines and energy storage systems, indicates a growing market beyond nuclear fusion [8]