Hefei National Research Center for Physical Sciences at the Microscale;
University of Science and Technology of China;
Hefei 230026;
China;
Department of Material Science and Engineering;
University of Science and Technology of China;
Hefei 230026;
China;
Department of Chemical Physics;
University of Science and Technology of China;
Hefei 230026;
China;
Institutes of Physical Science and Information Technology;
Anhui University;
Hefei 230601;
China;
oxygen evolution reaction(OER); dual-atom catalysts(DACs); covalent organic framework(COF); density functional theory(DFT);