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Integrated CO2 capture and electrolysis: advancing industrial implementation
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DOI：10.1016/j.coche.2025.101222.png)
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Abstract
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The electrochemical reduction reaction of CO2 into valuable chemicals offers a promising route for carbon management and renewable energy storage. However, the economic feasibility of conventional CO2 electrolysis is hindered by the energy-intensive provision of CO2. This mini review systematically explores the integrated CO2 electrolysis approach, which directly couples the electrolyzer with CO2 capture media, thereby passing costly intermediate stages. We concisely review the core aspects of this technology, including specialized cell designs, critical process parameters, and a focused comparison of absorbent solutions. This comparison encompasses their CO2 absorption capacity, as well as the advantages and limitations of each group of absorbents in the integrated system. The role of reactive capture of amino acids in integrated electrolysis is also highlighted briefly. Finally, the review aims to assess the technology readiness level of the integrated CO2 electrolysis and guide future research towards the development of an efficient and scalable technology.
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