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Thermodynamics and economic analysis of adiabatic compressed air energy storage system
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Jinlong WU1, 2, 3, Jun LI4, Taigao XING5, Peiwang ZHU1, 2, 3, Gang XIAO1, 2, 3
Thermal Power Generation | 2024, 53(2) : 27 - 36
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Thermal Power Generation | 2024, 53(2): 27-36
• Technical and economic review •
Thermodynamics and economic analysis of adiabatic compressed air energy storage system
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Jinlong WU1, 2, 3, Jun LI4, Taigao XING5, Peiwang ZHU1, 2, 3, Gang XIAO1, 2, 3
Affiliations
  • 1.Key Laboratory of Clean Energy and Carbon Neutrality of Zhejiang Province, Hangzhou 310027, China
  • 2.State Key Laboratory of Clean Energy Utilization, Hanghzou 310027, China
  • 3.Jiaxing Research Institute, Zhejiang University, Jiaxing 314031, China
  • 4.China Energy Digital Technology Group Co., Ltd., Beijing 100044, China
  • 5.Hubei Chuyun Energy Storage Technology Co., Ltd., Yingcheng 432400, China
Published: 2024-02-25 doi: 10.19666/j.rlfd.202306106
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Adiabatic compressed air energy storage technology (A-CAES) can be used for peak shaving and frequency regulation of renewable energy electricity, which is an effective means to achieve the goal of “Dual Carbon”. In order to study the influence of key parameters such as the number of stages, hot side temperature difference, and throttling valve pressure on thermodynamic efficiency and economy of the system, and achieve the lowest levelized cost of energy (LCOE), an A-CAES model based on MATLAB is constructed for calculation. The results show that, within the range of simulated working conditions, the efficiency decreases with the increase of the number of stages and the hot side temperature difference, while increases with the throttling valve pressure, and the highest efficiency can reach over 70%. The LCOE of the secondary compression and secondary expansion is the lowest, which is 0.041 3~0.045 0 dollars/(kW·h). The LCOE decreases with the increasing throttling valve pressure. When the hot side temperature difference is greater than 2.5 K, the LCOE increases with the hot side temperature difference. Therefore, the A-CAES can realize efficient and low-cost energy storage.

A-CAES  /  efficiency  /  LCOE  /  hot side temperature difference  /  throttling valve pressure
Jinlong WU, Jun LI, Taigao XING, Peiwang ZHU, Gang XIAO. Thermodynamics and economic analysis of adiabatic compressed air energy storage system[J]. Thermal Power Generation, 2024 , 53 (2) : 27 -36 . DOI: 10.19666/j.rlfd.202306106
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  • Zhejiang Province “Lingyan” R&D Plan(2022C03156)
Appendix
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Year 2024 volume 53 Issue 2
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Article Info
doi: 10.19666/j.rlfd.202306106
  • Receive Date：2023-06-12
  • Online Date：2025-12-31
  • Published：2024-02-25
Article Data
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History
  • Received：2023-06-12
Funding
Zhejiang Province “Lingyan” R&D Plan(2022C03156)
Affiliations
    1.Key Laboratory of Clean Energy and Carbon Neutrality of Zhejiang Province, Hangzhou 310027, China
    2.State Key Laboratory of Clean Energy Utilization, Hanghzou 310027, China
    3.Jiaxing Research Institute, Zhejiang University, Jiaxing 314031, China
    4.China Energy Digital Technology Group Co., Ltd., Beijing 100044, China
    5.Hubei Chuyun Energy Storage Technology Co., Ltd., Yingcheng 432400, China
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https://castjournals.cast.org.cn/joweb/rlfd/EN/10.19666/j.rlfd.202306106
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