Advances and development trend of carbon dioxide thermodynamic cycles applied in novel energy systems

作者：Yaling He, Mengjie Li, Jiaqi Guo, Zhanbin Liu · 发表于：Chinese Science Bulletin (Chinese Version) · 年份：2025 · DOI：10.1360/tb-2025-0076 · 被引用次数：5 · 研究领域：Thermodynamic and Exergetic Analyses of Power and Cooling Systems、Chemical Looping and Thermochemical Processes、Adsorption and Cooling Systems

To develop the novel energy system, it is necessary to break through the efficiency bottleneck of traditional energy systems, and improve the accommodation capacity of clean energy. However, traditional thermodynamic cycles make it difficult to meet the urgent demands of novel energy systems in terms of efficiency, cost, and flexibility. Therefore, the development of novel thermodynamic cycles is of great significance in addressing the challenges of energy utilization. As a natural working medium, carbon dioxide has economic and efficient advantages in energy conversion and energy storage, and the potential of applying carbon dioxide thermodynamic cycles to novel energy systems is being progressively explored. Benefiting from its high density, low viscosity and excellent heat transfer performance, the supercritical carbon dioxide provides high thermal efficiency and enables compact system designs in energy conversion systems. In the field of energy storage, carbon dioxide is easily liquefied, and its density is higher than air under the same state and pressure, which can reduce the storage volume. Therefore, energy storage technology based on carbon dioxide thermodynamic cycles can provide high-density and high-efficiency energy storage solutions for new energy systems. In order to elucidate the application prospects of carbon dioxide thermodynamic cycles, this paper systematically reviews the recent advancements in power generation and energy storage technology based on carb...