College of Materials Science and Engineering;
Jiangsu Collaborative Innovation Centre for Advanced Inorganic Function Composites;
Nanjing Tech University;
Nanjing 211816;
China;
School of Materials Science and Engineering;
Nanjing Institute of Technology;
Nanjing 211167;
China;
Hydrogen storage; Interfacial coupling; Oxygen defects; Catalysis-assisting;