Hybrid marine propulsion power system with the redox flow batteries of comprehensive aging model

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This study proposes a hybrid marine power system combining dual-fuel generators, a fuel cell, and Vanadium Redox Flow Batteries (VRFB). Rigorous verification and validation of the dynamic modelling and integration of the system are conducted. A case study for the application of the hybrid propulsion system to a passenger ship is conducted to examine its time-variant behaviour. A comprehensive model of the reversible and irreversible capacity degradation of the VRFB stack unit is proposed and validated. The capacity retention of the VRFB stack is simulated by being integrated within the hybrid propulsion system. Reversible degradation of the VRFB stack is precisely predicted and rehabilitated based on the predefined operational schedule, while the irreversible portion is retained until the affected components are replaced. Consequently, the advantages of the VRFB system as an on-board ESS are demonstrated through the application of a hybrid propulsion system for liner shipping with fixed routes.
Publisher
SOC NAVAL ARCHITECTS KOREA
Issue Date
2021-01
Language
English
Citation

INTERNATIONAL JOURNAL OF NAVAL ARCHITECTURE AND OCEAN ENGINEERING, v.13, pp.674 - 690

ISSN
2092-6782
DOI
10.1016/j.ijnaoe.2021.08.006
URI
http://hdl.handle.net/10203/290279
Appears in Collection
ME-Journal Papers(저널논문)
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