The excessive consumption of unsustainable fossil fuels has led to the global energy crisis and continuously increases the atmosphere’s CO₂ concentration, which also triggers global warming and climate change. These great challenges facing humanity require an urgent demand for CO₂ reduction. Emission reductions by carbon capture and utilization (CCU) are one promising strategy to help mitigate climate change since CO₂ could work as a carbon feedstock for chemicals, fuels, or polymers to replace fossil carbon. However, CO₂ is a rather oxidized and stable molecule, and its capturing and utilization highly depend on the CO₂ source and need extra energy input. How to capture and convert CO₂ into valuable chemicals in a green way is a problem for scientists to solve and has become a particularly hot research topic.

Rational design of efficient and robust adsorbent and catalyst materials and process intensification are essential for realizing industrial CCU. Although a vast number of publications have focused on synthesizing new adsorbents with high selectivity toward CO₂ with respect to other gases and effective catalysts for different CO₂ conversion routes, such as thermochemical conversion and hydrogenation of CO₂, electrochemical and photochemical conversion of CO₂. The effect of contaminants in different CO₂ sources is seldom solved and the underlying chemical and physical interactions of CO₂ with atoms on the adsorbent/catalyst surface are not fully understood on the molecular level. Additionally, there is much less insight information into CCU materials design, processing characterization, and computer modeling. Therefore, the goal of this Research Topic is to showcase how mainstream scientists investigating materials and processes for CO₂ capture and conversion have been addressing these issues.

This research topic aims to publish original papers concerning CO₂ capture and conversion. Topics of interest include, but are not limited to:
• Innovative solvents and solid adsorbents for CO₂ capture;
• Advanced membrane materials and technology for CO₂ separation;
• Synthesis and design dual function materials for integrated CO₂ capture and utilization;
• Robust catalysts for thermochemical, electrochemical and photochemical CO₂ conversion;
• Cutting-edge experimental or characterization techniques for studying CO₂ capture and utilization
• Renewable-integrated flexible systems for carbon capture and utilization;
• Kinetics modeling and process simulation in CO₂ capture and utilization;
• Reviews for CO₂ capture and utilization.

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Frontiers in Chemistry

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