College of Mathematics and Physics Shanghai University of Electric Power Shanghai 200090 ChinaState Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China;
College of Mathematics and Physics Shanghai University of Electric Power Shanghai 200090 ChinaState Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China;
State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 ChinaDalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China;
State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 ChinaState Key Laboratory of Radiation Medicine and Protection Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions School for Radiological and Interdisciplinary Sciences Soochow University Suzhou 215123 China;
College of Mathematics and Physics Shanghai University of Electric Power Shanghai 200090 ChinaState Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China;
State Key Laboratory of Radiation Medicine and Protection Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions School for Radiological and Interdisciplinary Sciences Soochow University Suzhou 215123 China;
Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 ChinaDivision of Energy Research Resourcesy Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 China;
Department of Environmental Engineering School of Metallurgy and Environment Central South University Changsha 410083 ChinaWA School of Mines:Minerals Energy and Chemical Engineering Curtin University Perth WA 6102 Australia;
College of Mathematics and Physics Shanghai University of Electric Power Shanghai 200090 China;
State Centre for International Cooperation on Designer Low-Carbon&Environmental Materials School of Materials Science and Engineering Zhengzhou University Zhengzhou 450001 China;
College of Mathematics and Physics Shanghai University of Electric Power Shanghai 200090 China;
WA School of Mines:Minerals Energy and Chemical Engineering Curtin University Perth WA 6102 Australia;
State Key Laboratory of Catalysis Dalian Institute of Chemical Physics Chinese Academy of Sciences Dalian 116023 ChinaWA School of Mines:Minerals Energy and Chemical Engineering Curtin University Perth WA 6102 AustraliaDICP-Surrey Joint Centre for Future Materials Department of Chemical and Process Engineering University of Surrey Guildford Surrey U K;
atom ic iron; nitrogen defect; coordination environment; hollow carbon spheres; oxygen reduction reaction;