High-resolution maps highlighting the cost competitiveness of China's green hydrogen production

被引:1
|
作者
Zhang, Xincheng [1 ]
Hong, Xiaodong [2 ]
Liao, Zuwei [1 ]
Wang, Jingdai [1 ]
Yang, Yongrong [1 ]
机构
[1] Zhejiang Univ, Coll Chem & Biol Engn, State Key Lab Chem Engn, Hangzhou 310027, Peoples R China
[2] ZJU Hangzhou Global Sci & Technol Innovat Ctr, Engn Res Ctr Funct Mat Intelligent Mfg Zhejiang Pr, Hangzhou 311215, Peoples R China
基金
中国国家自然科学基金;
关键词
Off-grid green hydrogen; Optimization; High spatial-temporal resolution; Levelized cost of hydrogen; Techno-economic analysis; POWER;
D O I
10.1016/j.enconman.2024.119112
中图分类号
O414.1 [热力学];
学科分类号
摘要
Leveraging China's abundant renewable resources, green hydrogen via water electrolysis could be feasible for achieving carbon neutrality. A holistic techno-economic optimization model of renewable-based hydrogen production in high spatial-temporal resolution is developed herein. Considering natural and social constraints, the results reveal that the technical potential of wind and solar energy in China are 8.89 and 57.68 PWh, respectively. Despite China's vast renewable energy potential, using renewable electricity for hydrogen production is not an economically viable option today. However, projections indicate a promising trajectory, with green hydrogen expected to substitute traditional hydrogen in 0.30% of regions of China by 2030, and this proportion potentially scaling up to 17.49% by 2050. A multi-scenarios analysis is employed to explore the factors affecting the cost of green hydrogen production. For example, the complementary nature of wind and solar power yields a pronounced reduction of 8.38%/26.67% in average hybrid hydrogen production costs compared to standalone wind/PV-based hydrogen. The analysis also shows that the selection of hydrogen supply modes for different scenarios of downstream applications impacts on the levelized cost of hydrogen. The results of cost and sensitivity analysis imply that policymakers may consider grid connection in the early stage and develop electrolyzer technologies or use policy subsidies as effective pathways to accelerate the expansion of the green hydrogen industry.
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页数:13
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