Affiliation:
1. Hunan Joint International Research Center for Carbon Dioxide Resource Utilization School of Physics Central South University Changsha Hunan 410083 P. R. China
2. School of Materials Science and Engineering Zhengzhou University Zhengzhou Henan 450002 P. R. China
Abstract
AbstractElectrocatalytic CO2 reduction into value‐added fuels and chemicals by renewable electric energy is one of the important strategies to address global energy shortage and carbon emission. Though the classical H‐type electrolytic cell can quickly screen high‐efficiency catalysts, the low current density and limited CO2 mass transfer process essentially impede its industrial applications. The electrolytic cells based on electrolyte flow system (flow cells) have shown great potential for industrial devices, due to higher current density, improved local CO2 concentration, and better mass transfer efficiency. The design and optimization of flow cells are of great significance to further accelerate the industrialization of electrocatalytic CO2 reduction reaction (CO2RR). In this review, the progress of flow cells for CO2RR to C2+ products is concerned. Firstly, the main events in the development of the flow cells for CO2RR are outlined. Second, the main design principles of CO2RR to C2+ products, the architectures, and types of flow cells are summarized. Third, the main strategies for optimizing flow cells to generate C2+ products are reviewed in detail, including cathode, anode, ion exchange membrane, and electrolyte. Finally, the preliminary attempts, challenges, and the research prospects of flow cells for industrial CO2RR toward C2+ products are discussed.
Funder
National Natural Science Foundation of China
Fundamental Research Funds for Central Universities of the Central South University
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Cited by
3 articles.
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