Graphical Abstract

Public Summary

● Electroreduction of CO2 to value-added chemicals and fuels is a promising approach for sustainable energy conversion and storage.

● Recently, ionic liquids (ILs) as electrolytes have received much attention because of the advantages of high CO2 adsorption capacity, high selectivity and low energy consumption.

● It includes the performance of different catalysts, the electrolyte effect, as well as mechanism studies in understanding the reaction pathway.

● The perspectives of this field are also put forward for developing novel electrochemical systems.

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