Centre for Environmental Engineering Research of Civil Engineering University of Hong Kong Kong;
School of Energy and Environment University of Hong Kong Chee Avenue Kong;
Australian Synchrotron Blackburn Rd 3168;
Tsinghua-Berkeley Shenzhen Institute Shenzhen International Graduate School University 518055;
Bifunctional electrocatalyst; Oxygen reduction reaction; Oxygen evolution reaction; Single-atom iron; Encapsulated iron nanoparticles;