Department of Chemical Engineering Norwegian University of Science and Technology N-7491 Trondheim NorwayState Key Laboratory of Silicon Materials Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province and Department of Materials Science and Engineering Zhejiang University Hangzhou 310027 Zhejiang China;
Center for Electron Microscopy and Tianjin Key Lab of Advanced Functional Porous Materials Institute for New Energy Materials&Low-Carbon Technologies School of Materials Tianjin University of Technology Tianjin 300384 China;
State Key Laboratory of Chemical Engineering East China University of Science and Technology Shanghai 200237 China;
Center for Electron Microscopy and Tianjin Key Lab of Advanced Functional Porous Materials Institute for New Energy Materials&Low-Carbon Technologies School of Materials Tianjin University of Technology Tianjin 300384 China;
Department of Chemical Engineering Norwegian University of Science and Technology N-7491 Trondheim Norway;
Oxygen reduction reaction; Fe electrocatalyst; Atomically dispersed active center; Activity tuning; Zn-air battery;