1. State Key Laboratory of Silicon Materials Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province Department of Materials Science and Engineering Zhejiang University Hangzhou 310027 P. R. China
2. Shanghai Synchrotron Radiation Facility Shanghai Institute of Applied Physics Chinese Academy of Sciences Shanghai 201210 P. R. China
3. State Key Laboratory of Marine Resource Utilization, in South China Sea Hainan University Haikou 570228 P. R. China
4. Institute of Physics Chinese Academy of Sciences Beijing 100190 P. R. China
5. Center for Nanoscale Materials Argonne National Laboratory Argonne IL 60439 USA
6. School of Material Science and Engineering University of Jinan Jinan 250022 China
7. Department of Materials Chemistry Huzhou University Huzhou 313000 P. R. China