Analysis of Hydrogen Production Technologies and Registered Patents in each Field

Document Type : Research Paper

Authors

Renewable Energy Department, Energy Faculty, Shahid Beheshti University, Tehran Iran

Abstract

Nowadays and in the era of energy, the global competition for replacing clean energies is expanding rapidly. This issue has caused many countries to turn to using hydrogen as a primary source of clean and renewable energy. In the past, hydrogen was only known as a useful element in industries. But today, due to this wave of enthusiasm for hydrogen, the attitude towards hydrogen has changed. Currently, hydrogen is considered not only as a fuel source, but also as a feedstock for petrochemical industries. In this article, various important methods of hydrogen production have been reviewed. In order to analyze the technologies used in hydrogen production, the past and current status of each technology should be scrutinized and based on that, the future of the technologies used in hydrogen production should be predicted. For this reason, patent analysis has been done on several hydrogen production methods. Moreover, lens database was used to check the number of patents and keywords related to each technology were searched in this database. Moreover, patent analysis has been done for 5 technologies including methane steam reforming, pyrolysis, thermolysis, electrolysis and coal gasification. According to the patent analysis, the technologies of methane steam reforming, pyrolysis and coal gasification have already reached their maturity stage, and the technologies of pyrolysis and electrolysis are still in their growth phase. Also, according to the analysis conducted, the main countries registering patents for all 5 technologies were the United States of America, the area related to the World Intellectual Property Organization (WIPO), the European Patent Organization, and China.

Keywords

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References

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Journal of Petroleum Research
Volume 35, 1404-1 - Serial Number 140
Special Issue on the Development of the Hydrogen TechnologyChain
May and June 2025
Pages 96-111

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