Research status and perspectives of rechargeable Li-CO2 battery

As a new energy storage conversion device, rechargeable Li-CO2 batteries have attracted more and more attention because the charge and discharge of the battery can be realized by the reversible conversion of CO2. In this paper, the development of Li-CO2 battery is briefly introduced, and the reversible reaction mechanism of Li-CO2 battery is reviewed in real time. Meanwhile, the current research work on lithium anode, electrolyte, cathode catalyst, and other key components of Li-CO2 battery is overall reviewed, and the main problems and challenges still facing are further discussed and elaborated. Then, based on the detailed classification and deeply understand of the current research works, we summarized the role of battery components in improving battery performance. Finally, the future development directions and the design idea of high-performance Li-CO2 battery are prospected.