Molten carbonate fuel cell (MCFC)-based hybrid propulsion systems for a liquefied hydrogen tanker

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This study proposes a molten carbonate fuel cell (MCFC)-based hybrid propulsion system for a liquefied hydrogen tanker. This system consists of a molten carbonate fuel cell and a bottoming cycle. Gas turbine and steam turbine systems are considered for recovering heat from fuel cell exhaust gases. The MCFC generates a considerable propulsion power, and the turbomachinery generates the remainder of the power. The hybrid systems are evaluated regarding system efficiency, economic feasibility, and exhaust emissions. The MCFC with a gas turbine has higher system efficiency than that with a steam turbine. The air compressor consumes substantial power and should be mechanically connected to the gas turbine. Although fuel cell -based systems are less economical than other propulsion systems, they may satisfy the environmental regulations. When the ship is at berth, the MCFC systems can be utilized as distributed generation that is connected to the onshore-power grid. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2018-04
Language
English
Article Type
Article
Keywords

LIFE-CYCLE ASSESSMENT; EQUATION-OF-STATE; GAS-TURBINE; MULTIOBJECTIVE OPTIMIZATION; PERFORMANCE ANALYSIS; MARITIME APPLICATIONS; RANKINE-CYCLE; PILOT PROJECT; POWER-PLANTS; WASTE HEAT

Citation

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.43, no.15, pp.7525 - 7537

ISSN
0360-3199
DOI
10.1016/j.ijhydene.2018.03.015
URI
http://hdl.handle.net/10203/242255
Appears in Collection
ME-Journal Papers(저널논문)
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