A Mini-Review on CO 2 Photoreduction by MgAl-LDH Based Materials

Changqing Wang, Jie Xu () and Zijian Zhou
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Changqing Wang: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
Jie Xu: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
Zijian Zhou: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China

Energies, 2022, vol. 15, issue 21, 1-29

Abstract: In recent years, the rapid consumption of fossil fuels has brought about the energy crisis and excess CO 2 emission, causing a series of environmental problems. Photocatalytic CO 2 reduction technology can realize CO 2 emission reduction and fuel regeneration, which alleviates the energy crisis and environmental problems. As the most widely used LDH material in commercial application, MgAl-layered double hydroxide (MgAl-LDH) already dominates large-scale production lines and has the potential to be popularized in CO 2 photoreduction. The adjustable component, excellent CO 2 adsorption performance, and unique layer structure of MgAl-LDH bring specific advantages in CO 2 photoreduction. This review briefly introduces the theory and reaction process of CO 2 photocatalytic reduction, and summarizes the features and drawbacks of MgAl-LDH. The modification strategies to overcome the drawbacks and improve photocatalytic activity for MgAl-LDH are elaborated in detail and the development perspectives of MgAl-LDH in the field of CO 2 photoreduction are highlighted to provide a guidance for future exploration.

Keywords: MgAl-LDH; carbon oxide; photoreduction; modification strategy (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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