National Synchrotron Radiation Laboratory;
Department of Chemical Physics and Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes;
University of Science and Technology of China;
Hefei 230029;
China;
School of Science;
Anhui Agricultural University;
Hefei 230036;
China;
Pd-based catalysis; ammonia borane hydrolysis; water activation; quasi in-situ X-ray photoelectron spectroscopy; density functional theory(DFT)calculations;