From Grey to Green: Hydrogen Storage for a Net-Zero Earth

Faiaz Allahma Rafi, Mohammed Masud Rana, Boker Agili and Ali Saied Al Shahrany

European Journal of Energy Research, 2025, vol. 5, issue 2, 1-15

Abstract: Hydrogen storage is essential for enabling hydrogen as a clean energy source, supporting the transition to a sustainable and reliable energy system. This review paper uncovers a comprehensive analysis of the current technologies and challenges associated with hydrogen storage, including solid-state, compressed gas, and liquefied hydrogen storage methods such as chemical hydrides, metal hydrides, and carbon-based materials. Emphasis is placed on the energy density, safety, efficiency, and cost-effectiveness of each storage method, as well as the advancements in materials science that are driving innovations in storage solutions. Additionally, the paper explores the potential applications of hydrogen storage in renewable energy integration, transportation, and grid stabilization, highlighting its role in enhancing energy security and reducing carbon emissions. The review concludes with an outlook on future research directions and the potential for hydrogen storage technologies to contribute to a low-carbon economy.

Keywords: Chemical Hydrides; Cryo-compressed; Hydrogen Storage; Physical Sorption (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:epw:energy:v:5:y:2025:i:2:id:7155

DOI: 10.24018/ejenergy.2025.5.2.155

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