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Advances in Hydrogen Energy and Fuel Cell Technologies

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A5: Hydrogen Energy".

Deadline for manuscript submissions: 20 August 2025 | Viewed by 757

Special Issue Editors

School of Automotive Studies, Tongji University, Shanghai 201804, China
Interests: fuel cell and power systems; electrochemical energy materials and devices

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Guest Editor
School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China
Interests: fuel cell stacks and power systems; water electrolysis for hydrogen production and hydrogen energy storage; electrochemical energy materials and devices

Special Issue Information

Dear Colleagues,

Hydrogen energy is an important part of global energy transformation and fuel cells (PEMFCs), as one of the most efficient conversion devices in hydrogen energy utilization, have been applied in automobiles, trains, ships, aircraft, CHP, and energy storage industries, and are entering the commercialization stage of large-scale applications. With the rapid development of new materials, components, system configuration, control, and other technologies, the performance and TRL of hydrogen energy and fuel cells have been greatly improved, which is of great significance in the improvement of their economy and reliability.

This Special Issue aims to present and disseminate the most recent advances in hydrogen energy and fuel cells—specifically, to progression related to materials, components, BOPs, heat and mass transfer, system integration, control algorithms, fault diagnosis, and performance prediction. All aspects of hydrogen energy and fuel cell submissions are welcome.

Dr. Yanbo Yang
Dr. Dongfang Chen
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • hydrogen energy
  • fuel cell
  • material
  • components
  • BOPs
  • heat and mass transfer
  • system integration
  • control algorithm
  • fault diagnosis
  • performance prediction

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Published Papers (2 papers)

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Research

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16 pages, 8471 KiB  
Article
Study on Purge Strategy of Hydrogen Supply System with Dual Ejectors for Fuel Cells
by Yueming Liang and Changqing Du
Energies 2025, 18(9), 2168; https://doi.org/10.3390/en18092168 - 23 Apr 2025
Viewed by 181
Abstract
The exhaust purge on the anode side is a critical step in the operation of fuel cell systems, and optimizing the exhaust interval time is essential for enhancing stack efficiency and hydrogen utilization. This paper proposed a method to determine the purge strategy [...] Read more.
The exhaust purge on the anode side is a critical step in the operation of fuel cell systems, and optimizing the exhaust interval time is essential for enhancing stack efficiency and hydrogen utilization. This paper proposed a method to determine the purge strategy of hydrogen supply system based on theoretical and simulation analysis. To investigate the impact of anode purge strategy on the performance of automotive fuel cells, a model of a 100 kW fuel cell stack and a dual-ejector hydrogen supply system was developed in MATLAB/Simulink(R2022b) using principles of fluid dynamics, simulation, and experimental data. This model effectively captures the accumulation and exhaust of hydrogen, nitrogen, and vapor within the anode. Simulations were conducted under seven different exhaust interval times at varying current densities to study the effect of exhaust interval on the performance of the fuel cell. The results indicate that for a 100 kW fuel cell, the exhaust interval time should be controlled within 25 s and should decrease as the current density increases. At low current density, increasing the exhaust interval has a more significant effect on improving hydrogen utilization. At high current density, reducing the exhaust interval helps maintain a stable hydrogen excess ratio and shortens the time required for the output voltage to reach a stable state. Full article
(This article belongs to the Special Issue Advances in Hydrogen Energy and Fuel Cell Technologies)
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Review

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26 pages, 12771 KiB  
Review
Safety Analysis of Hydrogen-Powered Train in Different Application Scenarios: A Review
by Lei Xu, Yankun Li, Wenchao Zhang, Tiancai Ma and Xiuhui Jing
Energies 2025, 18(7), 1743; https://doi.org/10.3390/en18071743 - 31 Mar 2025
Viewed by 461
Abstract
Currently, there are many gaps in the research on the safety of hydrogen-powered trains, and the hazardous points vary across different scenarios. It is necessary to conduct safety analysis for various scenarios in order to develop effective accident response strategies. Considering the implementation [...] Read more.
Currently, there are many gaps in the research on the safety of hydrogen-powered trains, and the hazardous points vary across different scenarios. It is necessary to conduct safety analysis for various scenarios in order to develop effective accident response strategies. Considering the implementation of hydrogen power in the rail transport sector, this paper reviews the development status of hydrogen-powered trains and the hydrogen leak hazard chain. Based on the literature and industry data, a thorough analysis is conducted on the challenges faced by hydrogen-powered trains in the scenario of electrified railways, tunnels, train stations, hydrogen refueling stations, and garages. Existing railway facilities are not ready to deal with accidental hydrogen leakage, and the promotion of hydrogen-powered trains needs to be cautious. Full article
(This article belongs to the Special Issue Advances in Hydrogen Energy and Fuel Cell Technologies)
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