提供低碳高效灵活新型能源动力 ——记面向新型电力系统的超临界二氧化碳发电技术及应用

Core Viewpoint - The development of supercritical carbon dioxide (sCO2) power generation technology is crucial for achieving China's dual carbon goals and constructing a new power system, marking a significant advancement in modern energy systems [1][2]. Group 1: Advantages of Supercritical CO2 Power Generation - sCO2 power generation offers high efficiency, flexibility, and compact system design compared to traditional steam power generation, with an efficiency increase of 3-5 percentage points and a regulation speed 3-4 times faster than traditional systems [2]. - The technology is suitable for various energy sources, including coal, solar thermal, and nuclear power, addressing the challenges posed by the intermittency of renewable energy sources [2]. Group 2: Key Technological Breakthroughs - The Xi'an Thermal Engineering Research Institute has made significant advancements in the principles and control strategies for sCO2 systems, leading to the establishment of a 5 MW sCO2 test unit, which has successfully operated for over 2000 hours [3]. - The research has resulted in a comprehensive invention system for sCO2 power generation, achieving international leading levels in performance [3]. Group 3: Commercialization Prospects - A strategic partnership has been formed between Xi'an Thermal Engineering Research Institute and Yulin Energy Group to develop a 50 MW coal-fired sCO2 power generation demonstration unit, expected to exceed 40% efficiency and provide flexible peak regulation capabilities [4]. - This project aims to utilize existing power plant infrastructure, positioning it as the world's first commercially viable large-scale sCO2 power generation unit [5].