Liu, J.; Cai, Y.; Song, R.; Ding, S.; Lyu, Z.; Chang, Y.-C.; Tian, H.; Zhang, X.; Du, D.; Zhu, W.; Zhou, Y.; Lin, Y. Recent Progress on Single-Atom Catalysts for CO2 Electroreduction. Mater. Today 2021, 48, 95–114. https://doi.org/10.1016/j.mattod.2021.02.005.