218 Laboratory for Energy Catalysis Center of Green Catalysis of Chemistry University 450001;
Institute of Chemical Industry of Forest Products Engineering Lab.for Biomass Chemical Utilization 210042;
College of Science Agricultural University 450002;
National Center for Nanoscience and Technology 100190;
School of Life Sciences Polytech University'an 710072;
Water gas shift reaction; Hydrogen production; Heterogeneous catalysis; Reaction Mechanism; Single atomic catalysts;