Recent Progress and Perspectives on Functional Materials and Technologies for Renewable Hydrogen Production

Area of Science:

• Materials Science
• Chemical Engineering
• Energy Policy

Background:

• Growing global interest in sustainable energy sources.
• Increasing research publications on hydrogen production methods.
• Need for a comprehensive bibliometric analysis of low-carbon hydrogen production.

Purpose of the Study:

• To conduct a bibliometric review of research on low-carbon hydrogen production.
• To analyze publication trends, leading countries, and key research areas.
• To identify future directions for technologies and functional materials.

Main Methods:

• Bibliometric analysis of 297 publications from 2010 onwards.
• Data sourced from the Scopus Database using keywords 'green hydrogen' and 'low carbon hydrogen production and materials'.
• Analysis performed using the R Bibliometrix package.

Main Results:

• A consistent upward trend in annual publications related to low-carbon hydrogen.
• China identified as the leading country in research output, followed by Germany and Korea.
• Water splitting emerged as a primary focus for low-carbon H2 production.

Conclusions:

• The field of low-carbon hydrogen production is rapidly expanding.
• China leads global research efforts in this domain.
• Future research should focus on advanced technologies and functional materials for efficient hydrogen generation.