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Lookup NU author(s): Professor Cheng Chin
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Fuel cell systems typically use a hydrogen supply cycle system to circulate and transport unreacted hydrogen to the anode to maximize the fuel cell's fuel efficiency and fuel consumption. Currently, ejectors are becoming increasingly popular as a core component of fuel cell engine systems. Using ejectors as a hydrogen circulation system, it is worthwhile to summarize the current state of research on experiments and controls. The structure and operation of the ejector are first reviewed in this essay. The classification process for the ejector, which is the central part of the hydrogen cycle system, and the associated performance indices are outlined. After that, the existing experimental research progress related to the ejector is compared and analyzed, and the evolution of control strategies and methods related to the hydrogen circulation system and their respective characteristics are reviewed and explained. Finally, using bibliometrics, the most recent research breakthroughs and hotspots are assessed, and existing difficulties and future potential are highlighted. This study provides useful basic concepts and recommendations for the application of hydrogen ejectors in the hydrogen cycle system of fuel cell engines.
Author(s): Zhang C, Chen L, Lu L, Li Y, Hao D, Chin CS, Qiao Y
Publication type: Article
Publication status: Published
Journal: International Journal of Hydrogen Energy
Year: 2024
Volume: 50
Issue: Part C
Pages: 1415-1431
Print publication date: 10/11/2023
Online publication date: 11/12/2023
Acceptance date: 28/10/2023
ISSN (print): 1879-3487
ISSN (electronic): 0360-3199
Publisher: Elsevier
URL: https://doi.org/10.1016/j.ijhydene.2023.10.307
DOI: 10.1016/j.ijhydene.2023.10.307
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