在中国扩大具有成本竞争力的清洁电解氢供应的可行性

IF 10.1 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Engineering Pub Date : 2024-08-01 DOI:10.1016/j.eng.2024.05.014
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引用次数: 0

摘要

在不久的将来扩大清洁氢气供应对于实现中国氢能发展目标至关重要。本研究建立了电解制氢的发展机制,考虑了氢气接入电力系统的发电组合和运行优化。基于成本递增原则,我们量化了 2030 年各省和全国清洁制氢的成本绩效水平。结果表明,该机制可有效降低大部分省份的清洁氢气生产成本,在 4000 万吨氢气供应规模下,全国平均值低于 2 美元-kg-1。通过输电线路开展省级合作可进一步将生产成本降至 1.72 美元-千克-1。然而,氢气需求的潜在分布会影响氢气的性能。从供应方来看,该机制的竞争力仅限于清洁制氢,而从需求方来看,它可以帮助电解氢发挥更重要的作用。这项研究可为中国大力发展可再生能源和氢经济提供解决方案。
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Feasibility of Scaling up the Cost-Competitive and Clean Electrolytic Hydrogen Supply in China

Scaling up clean hydrogen supply in the near future is critical to achieving China’s hydrogen development target. This study established an electrolytic hydrogen development mechanism considering the generation mix and operation optimization of power systems with access to hydrogen. Based on the incremental cost principle, we quantified the provincial and national clean hydrogen production cost performance levels in 2030. The results indicated that this mechanism could effectively reduce the production cost of clean hydrogen in most provinces, with a national average value of less than 2 USD·kg−1 at the 40-megaton hydrogen supply scale. Provincial cooperation via power transmission lines could further reduce the production cost to 1.72 USD·kg−1. However, performance is affected by the potential distribution of hydrogen demand. From the supply side, competitiveness of the mechanism is limited to clean hydrogen production, while from the demand side, it could help electrolytic hydrogen fulfil a more significant role. This study could provide a solution for the ambitious development of renewables and the hydrogen economy in China.

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来源期刊
Engineering
Engineering Environmental Science-Environmental Engineering
自引率
1.60%
发文量
335
审稿时长
35 days
期刊介绍: Engineering, an international open-access journal initiated by the Chinese Academy of Engineering (CAE) in 2015, serves as a distinguished platform for disseminating cutting-edge advancements in engineering R&D, sharing major research outputs, and highlighting key achievements worldwide. The journal's objectives encompass reporting progress in engineering science, fostering discussions on hot topics, addressing areas of interest, challenges, and prospects in engineering development, while considering human and environmental well-being and ethics in engineering. It aims to inspire breakthroughs and innovations with profound economic and social significance, propelling them to advanced international standards and transforming them into a new productive force. Ultimately, this endeavor seeks to bring about positive changes globally, benefit humanity, and shape a new future.
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