中国科学院报告提出高温超导带材领域十大关键科学技术问题

Core Viewpoint - The report by the Chinese Academy of Sciences outlines ten key scientific and technological issues in the field of REBCO high-temperature superconducting materials, aiming to guide large-scale applications of these materials [1] Group 1: Superconducting Materials - Superconducting materials exhibit zero electrical resistance and can withstand magnetic forces, showing significant potential in applications such as controlled nuclear fusion, magnetic resonance imaging, and superconducting cables [1] - REBCO, a type of high-temperature superconductor, is highlighted for its relatively low production costs, making it a core material in current superconducting technology research and applications [1] Group 2: Challenges in Production - Despite achieving commercial production, REBCO high-temperature superconducting tapes have a complex multi-layer composite structure, leading to challenges in production stability and significant room for performance improvement [1] - The report identifies specific challenges such as enhancing the yield strength and fatigue resistance of alloy-based tapes to meet high-field application requirements and overcoming inherent limitations in the electrical and thermal properties of buffer layer materials [1] Group 3: Collaborative Innovation - The report emphasizes the need for collaboration among industry, academia, and research institutions to address these core scientific and technological issues, aiming to drive the large-scale application of high-temperature superconducting materials [1]