Large-Scale Overseas Transportation of Hydrogen: Comparative Techno-Economic and Environmental Investigation

Medientyp: E-Book

Titel: Large-Scale Overseas Transportation of Hydrogen : Comparative Techno-Economic and Environmental Investigation

Beteiligte: Lee, Ju-Sung [VerfasserIn]; Cherif, Ali [VerfasserIn]; Lee, Chul-Jin [VerfasserIn]; Yoon, Ha-Jun [VerfasserIn]; Seo, Seung-Kwon [VerfasserIn]; Bae, Ju-Eon [VerfasserIn]; Shin, Ho-Jin [VerfasserIn]; Lee, Chulgu [VerfasserIn]; Kwon, Hweeung [VerfasserIn]

Erschienen: [S.l.]: SSRN, [2022]

Umfang: 1 Online-Ressource (38 p)

Sprache: Englisch

DOI: 10.2139/ssrn.4032602

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Beschreibung: Overseas hydrogen transport via ships is crucial to meet the global energy supply as we shift from the carbon-based fuel era. Hydrogen can either be stored as liquified hydrogen or converted and stored in liquid hydrogen carriers that are suitable for seaborne transport. In this study, the hydrogen supply chain, which includes chemical and physical storage processes as well as seaborne, land transport, and terminals, was economically and environmentally investigated. Five different storage technologies (i.e., liquid hydrogen, ammonia, toluene-methylcyclohexane [TOL-MCH], dibenzyltoluene-perhydro-dibenzyltoluene (H 0 DBT-H 18 DBT), and methanol) were applied to a defined intercontinental hydrogen supply chain that carries 300,000 tonnes of hydrogen per year via ships. The five hydrogen storage technologies were evaluated and compared in terms of economic and environmental performance. To achieve higher energy efficiency, the models were upgraded by integrating liquid natural gas (LNG) to achieve hydrogen liquefaction and by utilizing the waste heat of solid oxide fuel cells (SOFCs). Additionally, assuming that renewable energy capacity will be dominant in the future, renewable electricity and green hydrogen usage were investigated. TOL-MCH supply chain is the most cost-effective and environmentally friendly technology, followed by the ammonia chain, due to suitable operating conditions. Applying additional factors will allow the ammonia chain to produce the lowest carbon emissions, while rendering TOL-MCH chain the least expensive technology. Therefore, a decrease in process energy consumption and the use of renewable energy sources are essential for efficient and sustainable hydrogen seaborne transport

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