**About the Editors**

#### **Jingqi Guan**

Jingqi Guan received his B.S. degree and Ph.D. degree from Jilin University in 2002 and 2007. He was promoted to professor of chemistry in Jilin University in 2021. He worked as a postdoctoral research fellow in the University of California at Berkeley from 2012 to 2013 and in the Dalian Institute of Chemical Physics from 2014 to 2018. He has published more than 170 papers. His current research interests focus on the synthesis of mononuclear-multinuclear catalysts for energy storage and conversion.

#### **Yin Wang**

Yin Wang is working as a Distinguished Researcher in Inner Mongolia Minzu University, China. He received his Ph.D. in College of Chemistry and Chemical Engineering from BeInstitute of Technology in 2018, under the guidance of Professor Changwen Hu. His current research interests lie in the synthesis and applications of inorganic nanoscale materials as electrocatalyst for OER, HER, NRR, ORR, and 2eORR.
