Publication: Recent advancement and assessment of green hydrogen production technologies
Date
2024
Authors
Zainal B.S.
Ker P.J.
Mohamed H.
Ong H.C.
Fattah I.M.R.
Rahman S.M.A.
Nghiem L.D.
Mahlia T.M.I.
Journal Title
Journal ISSN
Volume Title
Publisher
Elsevier Ltd
Abstract
Hydrogen energy has garnered substantial support from industry, government, and the public, positioning it as a pivotal future fuel source. However, its commercial realisation faces significant hurdles, including slow infrastructure growth and the high cost of producing clean hydrogen. This review uniquely emphasises the different colour codes of hydrogen, which have been rarely discussed in the literature to date. Hydrogen production methods are classified by colour codes, with green hydrogen, produced from renewable sources such as wind and solar, being the most desirable option. The demand for green hydrogen across various sectors is expected to surge. This review comprehensively evaluates the major hydrogen production methods based on cost, environmental impact, and technological maturity. Recent data confirm the increased efficiency, cost-competitiveness, and scalability of green hydrogen production technologies. The cost of green hydrogen has declined significantly, making it competitive with blue hydrogen (produced from fossil fuels with carbon capture). The review also scrutinises several recent hydrogen production technologies, highlighting their advantages, disadvantages, and technological readiness. Among these, the solid oxide electrolysis cell (SOEC) currently outperforms others, with anion exchange membrane (AEM) and electrified steam methane reforming (ESMR) also showing promise. This review also succinctly summarises global progress in hydrogen infrastructure and policies. By spotlighting the diverse colour codes of hydrogen and discussing the crucial takeaways and implications for the future, this review offers a comprehensive overview of the hydrogen energy landscape. This unique focus enriches the literature and enhances our understanding of hydrogen as a promising energy source. ? 2023 Elsevier Ltd
Description
Keywords
Electrolysis , Electrolytic cells , Environmental impact , Fossil fuels , Hydrogen fuels , Hydrogen production , Ion exchange membranes , Ions , Methane , Regenerative fuel cells , Renewable energy resources , Solar power generation , Solid oxide fuel cells (SOFC) , Steam reforming , Anion exchange , Anion exchange membrane , Electrified steam methane reforming , Exchange membranes , Green hydrogen , Hydrogen color , Hydrogen economy , Hydrogen Energy , Hydrogen production technology , Renewable energies , Color