1. State Key Laboratory of Physical Chemistry of Solid Surfaces Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 P. R. China
2. Chemical Sciences and Engineering Division Argonne National Laboratory Lemont IL 60439 USA
3. Fujian Science & Technology Innovation Laboratory for Energy Materials of China Tan Kah Kee Innovation Laboratory) Xiamen 361005 P. R. China
4. Department of Chemistr Virginia Tech Blacksburg VA 24061 USA
5. State Key Laboratory of Physical Chemistry of Solid Surfaces College of Materials Xiamen University Xiamen 361005 Fujian China
6. Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 P. R. China
7. Spallation Neutron Source Science Center Dongguan 523803 China
8. School of Materials Science and Engineering Dongguan University of Technology Guangdong 523808 P. R. China
9. X-ray Sciences Division Argonne National Laboratory Lemont IL 60439 USA