School of Energy Sciences and Engineering;
Nanjing Tech University;
Nanjing 211816;
China;
State Key Laboratory of Physical Chemistry of Solid Surfaces;
Department of Chemistry;
College of Chemistry and Chemical Engineering;
Collaborative innovation center of Chemistry for Energy Materials;
Xiamen University;
Xiamen 361005;
China;
bifunctional electrocatalysts; Co-N4 active sites; oxygen reduction reaction; oxygen evolution reaction; rechargeable Zn-air batteries;