Uncovering the dynamics in global carbon dioxide utilization research: a bibliometric analysis (1995–2019)
2021
Wong, Syie Luing | Nyakuma, Bemgba Bevan | Nordin, Abu Hassan | Lee, Chew Tin | Ngadi, Norzita | Wong, Keng Yinn | Oladokun, Olagoke
The anthropogenic emission of carbon dioxide (CO₂) into the atmosphere is recognized as the main contributor to global climate change. To date, scientists have developed various strategies, including CO₂ utilization technologies, to reduce global carbon emissions. This paper presents the global scientific landscape of the CO₂ utilization research from 1995 to 2019 based on a bibliometric analysis of 1875 publications extracted from Web of Science. The findings indicate a major increase in the number of publications and citations received from 2015 to 2019, denoting a fast-emerging research trend. The dynamics of global CO₂ utilization research is partly driven by China’s policies and research funding to promote low-carbon economic development. Applied Energy is recognized as a core journal in this research topic. The utilization of CO₂ is a multidisciplinary topic that has progressed by multidimensional collaborations at the country and organizations levels, while the formation of co-authorship networks at the individual level is mostly influenced by the authors’ affiliations. Keyword co-occurrence analysis reveals a rapid evolution in the CO₂ utilization strategies from chemical fixation in carbonates and epoxides to pilot-scale testing of power-to-gas technologies in Europe and the USA. The development of efficient power-to-fuel technologies and biological utilization routes (using microalgae and bacteria) will probably be the next research priorities in CO₂ utilization research.
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