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A Recent Review of Primary Hydrogen Carriers, Hydrogen Production Methods, and Applications


Hydrogen is a promising energy carrier, especially for transportation, owing to its unique physical and chemical properties. Moreover, the combustion of hydrogen gas generates only pure water; thus, its wide utilization can positively affect human society to achieve global net zero CO2 emissions by 2050. This review summarizes the characteristics of the primary hydrogen carriers, such as water, methane, methanol, ammonia, and formic acid, and their corresponding hydrogen production methods. Additionally, state-of-the-art studies and hydrogen energy applications in recent years are also included in this review. In addition, in the conclusion section, we summarize the advantages and disadvantages of hydrogen carriers and hydrogen production techniques and suggest the challenging tasks for future research.

Funding source: This research was financially supported by the CANON Foundation, the New Energy and Industrial Technology Development Organization (NEDO), and the Japan Science and Technology Agency (JST), for the establishment of university fellowships toward the creation of science technology innovation (grant number JPMJFS2106).
Related subjects: Policy & Socio-Economics
Countries: Japan

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