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Applications of Fuel Cell Systems

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D2: Electrochem: Batteries, Fuel Cells, Capacitors".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 954

Special Issue Editors


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Guest Editor
Institute for Energy Conversion and Storage, Universität Ulm, 89081 Ulm, Germany
Interests: hydrogen; fuel cells; fuel cell systems; hybrid systems; energy storage; system analysis; thermodynamics

E-Mail Website
Guest Editor
Institute for Energy Conversion and Storage, Ulm University, Albert-Einstein-Allee 47, 89081 Ulm, Germany
Interests: hybrid system; battery; fuel cell; electric aircraft; power control

Special Issue Information

Dear Colleagues,

The importance of hydrogen as an energy carrier will increase in the coming years as hydrogen scenarios are essential in the future energy strategies of many countries.

Fuel cell systems offer high efficiency in converting hydrogen into electrical energy and have great potential to be used in many different mobile and stationary applications. Comercial fuel cells and systems are already available in different sectors. The challenges impeding their broader application lie in optimal system integration and control to meet the demands of specific applications, the reduction of costs and maximising their lifetime, and upscaling of system size and production facilities.

The aim of this Special Issue is to collect articles (original research articles and reviews) on recent developments and progress made through experimental and modelling studies with respect to fuel cell systems in various applications. Topics of interest include, but are not limited to, the following:

  • Progress and development of fuel cell systems in mobile applications;
  • Optimisation of fuel cell systems for specific applications like, for example, heavy-duty trucks, trains, maritime, aviation, and combined heat and power;
  • Operation of fuel cell systems in harsh environmental conditions;
  • Control of fuel cell systems;
  • Optimal operation of fuel cell systems;
  • Cooling and thermal integration of fuel cells;
  • Hybrid fuel cell systems;
  • Optimisation of balance-of-plant components;
  • Weight reduction of fuel cell systems for mobile applications;
  • Strategies and approaches for the upscaling of fuel cell system size;
  • Strategies for cost reduction and life-time extension of fuel cell systems.

Dr. Caroline Willich
Dr. Christiane Bauer
Guest Editors

Manuscript Submission Information

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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

  • fuel cell systems
  • fuel cells
  • fuel cell applications
  • balance of plant
  • upscaling of fuel cell systems

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Published Papers (1 paper)

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Research

15 pages, 3918 KiB  
Article
High-Altitude Operation of a Commercial 100 kW PEM Fuel Cell System
by Caroline Willich, Daniel Frank, Tobias Graf, Stefan Wazlawik, Samara Brandao and Christiane Bauer
Energies 2024, 17(24), 6309; https://doi.org/10.3390/en17246309 - 13 Dec 2024
Viewed by 637
Abstract
A commercially available 100 kW PEM fuel cell system designed for efficient operation on ground-level was tested at low ambient pressures between 750 mbar and 940 mbar in a low-pressure chamber. The current–voltage characteristics at 940 mbar and 900 mbar showed only small [...] Read more.
A commercially available 100 kW PEM fuel cell system designed for efficient operation on ground-level was tested at low ambient pressures between 750 mbar and 940 mbar in a low-pressure chamber. The current–voltage characteristics at 940 mbar and 900 mbar showed only small differences, while the system performed worse at lower ambient pressures. To enable operation at these low pressures, an additional current-limiting strategy had to be implemented, as it was found that the compressor could not deliver sufficient mass flow at ambient pressures below 867 mbar to reach the maximum current allowed by the system (420 A). The results show that the fuel cell system, which was designed for ground-level applications, can be operated at lower pressures if the proposed current-limiting strategy is implemented, although at the cost of a lower maximum current output at low ambient pressures. Based on the results, suggestions for further hardware measures to optimise the system for flight conditions are made. Full article
(This article belongs to the Special Issue Applications of Fuel Cell Systems)
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