1. State Key Laboratory of Clean and Efficient Utilization of Coal-based Energy, Taiyuan University of Technology, Taiyuan, China
2. Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
3. Institute for Advanced Study, Wuhan University, Wuhan, China
4. Laboratory of High Efficiency and Low Carbon Utilization of Coal, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, China