1. State Key Laboratory of Silicon MaterialsKey Laboratory of Advanced Materials and Applications for Batteries of Zhejiang ProvinceDepartment of Materials Science and EngineeringZhejiang University Hangzhou 310027 P. R. China
2. Department of Materials ChemistryHuzhou University Huzhou 313000 P. R. China
3. MOE of the Key Laboratory of Bioinorganic and Synthetic ChemistryKLGHEI of Environment and Energy ChemistrySchool of ChemistrySun Yat‐Sen University Guangzhou 510275 P. R. China
4. National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 P. R. China
5. Department of PhysicsCity University of Hong Kong Kowloon 999077 Hong Kong
6. Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education)College of ChemistryNankai University Tianjin 300071 P. R. China