Advances in Green Hydrogen Production and Applications
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A5: Hydrogen Energy".
Deadline for manuscript submissions: 10 February 2026 | Viewed by 31
Special Issue Editor
Special Issue Information
Dear Colleagues,
One of the most prevalent problems facing society today is the need for reliable sources of energy without the disadvantages of finite supply and environmental impairment. Hydrogen (H2) is one of the more promising solutions to this enduring challenge, as it is a fuel with a very-high energy density, pollution-free combustion, and, more importantly, “green” methods available for its production that are based on renewable energy sources (e.g., the use of electricity or light from renewable sources for water splitting). “Green hydrogen production” is a key component in sustainable future planning (especially with seawater splitting), along with the promising applications that exist for this fuel, such as hydrogen combustion technologies, fuel cells (which can produce electricity without the need for combustion and without undesirable by-products), and others. Such technologies can be utilized for transportation (commercial vehicles, marine transportation, and aviation), distributed electricity/heating and energy storage applications. Therefore, a renewable chain can be established, starting with freely available and theoretically unlimited sources, leading to the production of a potent environmentally friendly fuel (aka “green” H2), and concluding with its utilization in necessary applications, removing the dependence on finite and toxic energy sources.
The aim of this Special Issue is to gather and present the most recent advances that concern “green” methods of hydrogen production and the subsequent applications of the produced fuel, covering all stages of this path from the design of the production methods to the efficiency of the hydrogen-utilizing applications.
Topics of interest in this Special Issue include, but are not limited to, the following:
- All aspects of the chemistry behind water splitting, especially regarding the novel route of utilizing seawater as a source.
- Electrochemistry (and photo-electrochemistry) for water splitting powered by natural sources.
- Light-activated processes: photolysis and photocatalysis for aqueous hydrogen evolution reactions using natural (or artificial) light.
- Thermo-chemical techniques for water splitting (including solar–thermal methods).
- Biological processes of hydrogen generation (biophotolysis, photofermentation, etc.).
- Multi-component green hydrogen production systems (e.g., solar-powered photovoltaics as an electricity source for hydrogen production systems).
- The role of materials in water splitting via different technologies—from electrolytic electrode films to photocatalytic nano-powders.
- Hydrogen fuelling stations (HFSs): design and optimization of integrated hydrogen production, storage, and fuel cell systems.
- Hydrogen combustion (in internal combustion engines of either type, gas turbines, etc.) for energy production and other applications.
- Transportation using hydrogen as a fuel (from commercial cars to airplanes).
- Hydrogen fuel cells: design and optimization.
- Electricity distribution through green hydrogen-powered systems.
- Computational approaches to system design for hydrogen production technologies and subsequent applications, as well as related material synthesis methods.
Dr. George V. Belessiotis
Guest Editor
Manuscript Submission Information
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Keywords
- hydrogen production
- renewable energy
- green hydrogen
- water splitting
- electrolysis
- electrocatalysis
- photocatalysis
- fuel cells
- hydrogen applications
- sustainable energy
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