LIN Xiaolong, LIU Tao, MENG Xianchen, et al. Optimization of Hydrogen Production and Storage Capacity and Feasibility Analysis of Wind-Solar-Thermal-Storage Coupled Hydrogen Energy Storage System[J]. Journal of Xi'an Jiaotong University, 2026, 60(3): 122-131.
DOI:
LIN Xiaolong, LIU Tao, MENG Xianchen, et al. Optimization of Hydrogen Production and Storage Capacity and Feasibility Analysis of Wind-Solar-Thermal-Storage Coupled Hydrogen Energy Storage System[J]. Journal of Xi'an Jiaotong University, 2026, 60(3): 122-131.DOI: 10.7652/xjtuxb202603012.
Optimization of Hydrogen Production and Storage Capacity and Feasibility Analysis of Wind-Solar-Thermal-Storage Coupled Hydrogen Energy Storage System
To reduce the wind and solar power curtailment rates in desert-Gobi-wilderness new energy bases and decrease reliance on fossil fuels
a desert-Gobi-wilderness new energy base’s wind-solar-thermal-storage system is taken as the research object
a wind-solar-thermal-storage coupled hydrogen energy storage system that integrates hydrogen production from curtailed electricity and hydrogen-coal co-combustion power generation is proposed
and an annual net revenue calculation model is constructed.With the capacities of electrolyzers and hydrogen storage tanks as decision variables and the maximization of annual net revenue as the objective
the optimal capacity configuration for hydrogen production and storage in this system is determined.Considering potential government subsidies (zero-interest loans)
an electrolyzer cost of RMB 1.138 million/MW
a hydrogen storage tank cost of RMB 2 000/kg
a standard coal unit price of RMB 1 000/t
and a carbon tax of RMB 200/t
the system reduces curtailed electricity by 228.2 GW·h annually
achieves an annual carbon emission reduction of 37 000 tons
and attains an annual net revenue of RMB 5.339 million.Under single-factor sensitivity analysis
the wind-solar-thermal-storage coupled hydrogen energy storage system reaches economic breakeven when the electrolyzer cost rises to RMB 1.52 million/MW
the hydrogen storage tank cost increases to RMB 3 530/kg
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Related Author
LIU Yinhe
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SONG Huchao
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Related Institution
Inner Mongolia Huadian Tenggeli Green Energy Co., Ltd. Bayanhot Power Generation Branch, Alxa League
Northwest Electric Power Design Institute Co., Ltd. of China Power Engineering Consulting Group
School of Energy and Power Engineering, Xi’an Jiaotong University
西安交通大学热流科学与工程教育部重点实验室,710049,西安MOE Key Laboratory of Thermo-Fluid Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
School of Energy and Power Engineering, Xi'an Jiaotong University