Techno-Economic Evaluation of Hydrogen Energy

Dear Colleagues,

Green hydrogen is perceived as a promising energy carrier due to its potential to decarbonize the energy system, particularly in areas where direct electrification cannot be achieved, enabling countries to meet climate targets.

The development of efficient sustainable hydrogen production, storage, and distribution technologies has gained momentum, though challenges remain for competitive market adoption for a wide number of applications, such as the mobility sector (especially light-duty vehicles and maritime transport) or industrial sectors (such as chemical feedstock manufacture or power production). H₂ has a very low density and high volatility, which imply energy-intensive compression or liquefaction for long-distance transport. Additionally, cost reductions across the entire hydrogen value chain—production, storage, transportation, and end-use technologies—are essential.

In this respect, the aim of this Special Issue is to collect scientific contributions focused on critical aspects of hydrogen’s implementation as an energy carrier, from the process design point of view. The purpose is to emphasize the technological developments required for hydrogen to play a central role in the future energy landscape.

We welcome original research articles, review papers, and case studies related, but not limited to:

• Sustainable H₂ production;
• Advances in electrolyzers for green H₂ production;
• H₂ transport through H₂ carriers;
• Techno-economic assessment of H₂ value-chains;
• H₂ purification for its application industrial and mobility sectors;
• Process intensification for cost drivers of H₂ value chains.

Dr. Elvira Spatolisano
Prof. Dr. Giorgio Vilardi
Dr. Domenico Flagiello
Guest Editors

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