Recent progress of transition metal-based catalysts as cathodes in O2/H2O-involved and pure Li–CO2 batteries

The combination of clean energy storage and reducing CO2 emissions is an effective strategy to meet the growing energy demands and achieve a sustainable route. Consequently, Li–CO2 batteries have received extensive attention, which is ascribed to their dual functions of energy storage and CO2 captur...

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Published inEnergy & environmental science Vol. 16; no. 3; pp. 792 - 829
Main Authors Chen, Jian, Xiao-Yang, Chen, Liu, Yang, Qiao, Yun, Shi-You, Guan, Li, Li, Shu-Lei Chou
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 15.03.2023
Subjects
Carbon dioxide
Carbon dioxide emissions
Carbon sequestration
Catalysts
Cathodes
Cathodic polarization
Clean energy
Electrochemical analysis
Electrochemistry
Electrode polarization
Emissions
Energy storage
Inactivation
Reaction mechanisms
Transition metals
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Summary:The combination of clean energy storage and reducing CO2 emissions is an effective strategy to meet the growing energy demands and achieve a sustainable route. Consequently, Li–CO2 batteries have received extensive attention, which is ascribed to their dual functions of energy storage and CO2 capture. Nevertheless, the development and utilization of Li–CO2 batteries are still in their infancy and face considerable challenges, such as high polarization, cathode inactivation, and environmental sensitivity. Thus, it is necessary to fully understand the reaction mechanism of Li–CO2 batteries, explore the catalytic capabilities, crucial functions and influencing factors of various catalytic cathodes, and formulate corresponding modification measures to achieve high-performance Li–CO2 batteries. In this review, we systematically introduce the electrochemical reaction mechanism of O2-involved, H2O-involved and pure Li–CO2 batteries, and then systematically introduce the latest research progress of transition metal-based catalysts, including their composition and structure, and the corresponding effects on their electrochemical performance. Based on a comprehensive overview of the current research progress, we present perspectives and directions for the exploration of Li–CO2 batteries and further provide guidance for the future development and practical utilization of Li–CO2 batteries.
ISSN:1754-5692
1754-5706
DOI:10.1039/d2ee03015b