瞄准大规模应用：中国首发高温超导发展路线图

Core Insights - The report by the Chinese Academy of Sciences presents the first systematic strategic research on REBCO high-temperature superconducting materials, identifying ten key scientific and technological issues hindering large-scale application [1][2] Group 1: Overview of REBCO High-Temperature Superconductors - REBCO (Rare Earth Barium Copper Oxide) superconducting materials operate at temperatures above liquid nitrogen levels, significantly reducing cooling costs and enhancing current-carrying and magnetic properties [1] - Since its commercialization in 2006, REBCO materials have shown potential in critical areas such as power systems and magnet systems [1][2] Group 2: Applications of REBCO Materials - In power systems, REBCO can be utilized for superconducting cables and fault current limiters, enabling efficient, low-loss power transmission suitable for urban grid upgrades [1] - In magnet systems, REBCO maintains high current-carrying capacity in strong magnetic fields, making it applicable in advanced devices like nuclear fusion reactors and high-field MRI machines [2] Group 3: Key Scientific and Technological Issues - The report outlines ten critical scientific and technological challenges that need to be addressed to enhance the performance and scalability of REBCO materials, including improving yield strength, thermal and electrical performance of buffer layers, and stability of IBAD textures [4][5] - The challenges span the entire development chain from material research to engineering applications, aiming to connect fundamental research with practical uses [3] Group 4: Future Prospects - With ongoing improvements in material performance and manufacturing processes, high-temperature superconducting technology is expected to play a significant role in future energy, medical, transportation, and large scientific installations [3] - The report emphasizes the need for collaboration across various sectors to transition from following to leading in the high-temperature superconducting field [3]