Comparative life cycle assessment of hydrogen internal combustion engine and fuel cells in shipping

IF 8.3 2区工程技术 Q1 CHEMISTRY, PHYSICAL International Journal of Hydrogen Energy Pub Date : 2025-03-14 Epub Date: 2025-02-14 DOI:10.1016/j.ijhydene.2025.02.150

Anna Amat Ventayol , Jasmine Siu Lee Lam , Xiwen Bai , Zhong Shuo Chen

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Abstract

The vital role of the maritime sector in supporting global trade highlights the need for sustainable progress. The success of decarbonization depends on new technologies and using alternative fuels, with hydrogen showing great potential. Despite the prevalent focus on hydrogen fuel cells (H₂FC) in shipping applications, the potential of onboard hydrogen internal combustion engine (H₂ICE) applications remains relatively unexplored. This study endeavors to conduct a comparative life cycle assessment of the H₂ICE, H₂FC, and diesel engines of a passenger vessel. The findings demonstrate both hydrogen-powered systems exhibit notable environmental superiority compared to diesel engines, yielding 84–87% reductions in Global Warming Potential (GWP), 58%–73% reductions in eutrophication, 34%–52% reductions in acidification, etc. Furthermore, H₂ICE presents advantages over H₂FC regarding GWP and Abiotic Depletion Potential (elements and fossil). This study emphasizes the importance of extensively exploring hydrogen-powered systems for ships and their potential use in the shipping industry, highlighting the promise of H₂ICE as a key contribution.

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船舶用氢内燃机与燃料电池的生命周期比较评估

海运部门在支持全球贸易方面的重要作用凸显了可持续发展的必要性。脱碳的成功取决于新技术和替代燃料的使用，氢显示出巨大的潜力。尽管氢燃料电池（H2FC）在船舶领域的应用备受关注，但车载氢内燃机（H2ICE）的应用潜力仍未得到充分开发。本研究旨在对一艘客船的H2ICE、H2FC和柴油发动机进行生命周期比较评估。研究结果表明，与柴油发动机相比，两种氢动力系统都具有显著的环境优势，全球变暖潜能值（GWP）降低84-87%，富营养化降低58%-73%，酸化降低34%-52%等。此外，与H2FC相比，H2ICE在GWP和非生物耗竭潜力（元素和化石）方面具有优势。该研究强调了广泛探索船舶氢动力系统及其在航运业中的潜在应用的重要性，并强调了H2ICE作为关键贡献的前景。

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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.