高温电解与工业废热耦合用于现场绿色制氢：能源、经济和环境分析

IF 8.3 2区工程技术 Q1 CHEMISTRY, PHYSICAL

International Journal of Hydrogen Energy Pub Date : 2025-04-09 DOI:10.1016/j.ijhydene.2025.04.069

Lorenzo Mario Pastore, Antonio Sgaramella, Giulia Bruno, Gianluigi Lo Basso, Livio de Santoli

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引用次数: 0

摘要

高温电解为工业脱碳提供了高效制氢的解决方案。本研究提出了一种基于光伏和余热回收的固体氧化物电解电池（SOEC）的系统，用于工业燃烧器中氢气与天然气的混合。这项工作的目的是评估拟议配置的技术经济可行性，调查氢混合限制，氢的平准化成本（LCOH）和脱碳成本。在目前的SOEC成本下，LCOH值无法低于6欧元/千兆赫2。由于最大氢体积分数小于20%，该系统无需对燃烧器进行重大修改即可应用。与碱性电解槽相比，可以实现更高的效率和减排潜力，但它们被更高的LCOH和碳减排成本所抵消。即将到来的SOEC成本降低可以提高成本效益，能源危机期间经历的高天然气价格使脱碳成本与排放交易系统具有竞争力。

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Coupling high-temperature electrolysis and industrial waste heat for on-site green hydrogen production: energy, economic and environmental analysis

High-temperature electrolysis offers a solution for industry decarbonisation by high-efficiency hydrogen production. This study presents a system based on Solid Oxide Electrolysis Cells (SOEC) fed by photovoltaic and waste heat recovery, for hydrogen blending with natural gas in industrial burners. The aim of this work is to assess techno-economic feasibility of the proposed configuration, investigating hydrogen blending limits, Levelized Cost of Hydrogen (LCOH), and decarbonisation cost. LCOH values below 6 €/kgH₂ cannot be achieved at current SOEC costs. The system can be applied without significant burner modifications, since maximum hydrogen volumetric fractions are less than 20 %. Higher efficiency and emission reduction potential in comparison to alkaline electrolysers can be achieved, but they are offset by higher LCOH and carbon abatement costs. Forthcoming reduction in SOEC costs can improve the cost-effectiveness and high natural gas prices experienced during the energy crisis make the decarbonisation cost competitive with the emission trading system.

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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.