Faculty of Pharmacy Shenyang Pharmaceutical University Shenyang 110016 Liaoning China;
Department of Chemical and Biomolecular Engineering National University of Singapore Singapore;
Institute of Materials Research and Engineering(IMRE) Singapore;
Institute of Materials Research and Engineering(IMRE) Singapore;
Department of Chemical and Biomolecular Engineering National University of Singapore Singapore;
Non-precious metal; Active sites; Oxygen evolution reaction; Acid; Stability;