Abstract

The conversion of carbon dioxide (CO2) through non-thermal plasma catalysis has received significant attention as a promising approach to address both environmental and energy challenges. This review paper offers a comprehensive overview of recent advancements in CO2 conversion utilizing non-thermal plasma (NTP), focusing on its potential to achieve efficient and selective transformations of CO2 into valuable products, such as fuels and chemicals, at moderate reaction conditions. The unique ability of NTP to activate CO2 at ambient room temperature and atmospheric pressure offers a promising pathway to mitigate the greenhouse effect and reduce dependency on fossil fuels. We highlight the utilization of catalysts in combination with dielectric barrier discharge (DBD) plasma reactor, showcasing encouraging results in enhancing product selectivity and overall CO2 conversion. Nevertheless, challenges associated with the conversion of CO2 into specific oxygenates, like methanol, are also discussed. The maximum methanol selectivity reported from recent studies was ~86% from CO2 hydrogenation reaction with DBD reactor. This review provides valuable insights for researchers working on sustainable CO2 utilization strategies and aids in guiding future investigations in this burgeoning field.