This bibliometric analysis identifies significant trends in green hydrogen generation from wastewater, highlighting collaborations and key research themes.
Key Points
A substantial increase in research output was seen, culminating in 122 publications in 2024, and 705 total citations.
China led the contributions with 60 publications, followed by India and South Korea, indicating regional involvement in Asia.
Keyword co-occurrence showed key themes like electrolysis, hydrogen evolution reactions, and wastewater treatment dominating the research focus.
The analysis highlighted the multidisciplinary nature of the field while showing a continuing need for research, especially in developing regions.