Hydrogen storage capacity planning of nuclear-hydrogen integration under coupling of electricity and hydrogen

IF 8.3 2区工程技术 Q1 CHEMISTRY, PHYSICAL

International Journal of Hydrogen Energy Pub Date : 2025-04-11 DOI:10.1016/j.ijhydene.2025.03.381

Yuewen Jiang , Shanshan Ou

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Abstract

An operating model for nuclear-hydrogen integration (NHI) is developed based on an in-depth analysis of the future trajectories of the electricity and hydrogen markets. A planning model is proposed to determine the optimal capacity allocation ratio between nuclear power and hydrogen storage systems, while also optimizing the on-grid output of NHI within a reasonable range of system load factors. The results indicate that the optimal capacity ratio of nuclear power to electrolyzers and fuel cells is approximately 1: 0.41: 0.36. Flexibility analysis shows that NHI adjusts output from 51.3 % to 128 % of the rated power for nuclear power, enabling it to adapt effectively to load variations. Economically, NHI achieves a total revenue of 18.37 billion CNY, which is approximately 56.0 % lower than that of nuclear-pumped storage integration (NPSI). These findings suggest in regions with favorable geographical conditions for constructing pumped storage power plants, NPSI may represent a more economically viable operating strategy.

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电氢耦合下核氢一体化储氢容量规划

在深入分析电力和氢市场未来轨迹的基础上，开发了核氢一体化（NHI）的运行模型。提出了一种规划模型，以确定核电和储氢系统的最佳容量分配比例，同时在合理的系统负荷因子范围内优化NHI的并网输出。结果表明，核电与电解槽和燃料电池的最佳容量比约为1:0.41:0.36。灵活性分析表明，NHI将核电额定功率的输出从51.3%调整到128%，使其能够有效地适应负荷变化。经济上，北海核电实现总收入183.7亿元，比核电抽水蓄能一体化（NPSI）低约56.0%。这些研究结果表明，在地理条件有利的地区，建设抽水蓄能电站可能是一种更经济可行的运营策略。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Hydrogen Energy 工程技术-环境科学

CiteScore

13.50

自引率

25.00%

发文量

3502

审稿时长

60 days

期刊介绍： The objective of the International Journal of Hydrogen Energy is to facilitate the exchange of new ideas, technological advancements, and research findings in the field of Hydrogen Energy among scientists and engineers worldwide. This journal showcases original research, both analytical and experimental, covering various aspects of Hydrogen Energy. These include production, storage, transmission, utilization, enabling technologies, environmental impact, economic considerations, and global perspectives on hydrogen and its carriers such as NH3, CH4, alcohols, etc. The utilization aspect encompasses various methods such as thermochemical (combustion), photochemical, electrochemical (fuel cells), and nuclear conversion of hydrogen, hydrogen isotopes, and hydrogen carriers into thermal, mechanical, and electrical energies. The applications of these energies can be found in transportation (including aerospace), industrial, commercial, and residential sectors.