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Mapping the research landscape of hydrogen production through electrocatalysis: A decade of progress and key trends

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  • Qahtan, Talal F.
  • Alade, Ibrahim O.
  • Rahaman, Md Safiqur
  • Saleh, Tawfik A.

Abstract

As the demand for renewable energy continues to rise, the significance of electrocatalysis research for hydrogen production has also increased. To explore the developmental trends in this field, a scientometric-assisted review was conducted using clustering analysis of keywords from 43,564 papers published between 2013 and 2022. The results of the study demonstrate a globally diverse research landscape, with contributions from Asia, Europe, North America, and the Middle East. China emerges as the most prolific contributor, with consistent growth in research productivity over the past decade. The USA, South Korea, India, and Germany were among the top five leading countries in electrocatalysis research. Singapore, USA, Australia, Saudi Arabia, and Germany lead research impact, measured by total citations per total paper. China has the highest collaboration in electrocatalysis research, with collaborations with the USA, Australia, Singapore, Saudi Arabia, Japan, the UK, Germany, Canada, Korea, and India. Importantly, the study reveals six clusters of electrocatalysis research, with different author keywords, each covering a range of topics and materials. The implications of each of the six clusters in electrocatalysis are examined critically. This study offers valuable insights for researchers, policymakers, and funding organizations in making critical decisions by identifying the main themes and trends in hydrogen evolution through electrocatalysis research.

Suggested Citation

  • Qahtan, Talal F. & Alade, Ibrahim O. & Rahaman, Md Safiqur & Saleh, Tawfik A., 2023. "Mapping the research landscape of hydrogen production through electrocatalysis: A decade of progress and key trends," Renewable and Sustainable Energy Reviews, Elsevier, vol. 184(C).
    • Handle: RePEc:eee:rensus:v:184:y:2023:i:c:s1364032123003477
    DOI: 10.1016/j.rser.2023.113490
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    2. Qahtan, Talal F. & Alade, Ibrahim O. & Rahaman, Md Safiqur & Saleh, Tawfik A., 2024. "Insights into zinc-air battery technological advancements," Renewable and Sustainable Energy Reviews, Elsevier, vol. 202(C).
    3. Xu, Boshi & Yang, Yang & Li, Jun & Ye, Dingding & Wang, Yang & Zhang, Liang & Zhu, Xun & Liao, Qiang, 2024. "A comprehensive study of parameters distribution in a short PEM water electrolyzer stack utilizing a full-scale multi-physics model," Energy, Elsevier, vol. 300(C).
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