Recently, an academician from the Chinese Academy of Engineering stated in a public lecture that the Z-pinch-driven Fusion-Fission Reactor (Z-FFR) represents a promising pathway toward the commercialization of controlled nuclear fusion energy. The Z-FFR combines the advantages of Z-pinch inertial confinement fusion with a subcritical fission reactor. High-energy pulses drive fusion reactions, releasing neutrons that trigger fission in surrounding uranium or thorium fuel, significantly enhancing energy output efficiency. The academician emphasized that compared to conventional tokamak devices, Z-FFR offers benefits such as compact design, high fuel utilization, enhanced safety, and the ability to effectively transmute nuclear waste, making it highly sustainable. China has already made significant progress in Z-pinch technology—for instance, the ‘Julong-1’ facility has successfully achieved high-power discharges, laying a solid foundation for the engineering development of Z-FFR. Experts believe Z-FFR could become a key component of future clean energy systems, bringing humanity closer to realizing the dream of a ‘man-made sun.’
近日，中国工程院院士在公开演讲中指出，Z箍缩驱动聚变裂变混合堆（Z-FFR）是实现可控核聚变能源商业化的重要路径之一。Z-FFR结合了Z箍缩惯性约束聚变与次临界裂变反应堆的优势，通过高能脉冲驱动聚变反应，释放中子以触发外围铀或钍燃料的裂变，从而大幅提升能量输出效率。院士强调，相较于传统托卡马克装置，Z-FFR具有结构紧凑、燃料利用率高、安全性强等优势，且可有效处理核废料，具备良好的可持续发展特性。目前，我国已在Z箍缩技术方面取得重要进展，如“聚龙一号”装置成功实现高功率放电，为Z-FFR的工程化奠定了基础。专家认为，Z-FFR有望成为未来清洁能源体系中的关键一环，推动人类迈向‘人造太阳’的梦想更进一步。
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