1. College of Materials Science and Technology Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies Nanjing University of Aeronautics and Astronautics Nanjing 210016 P. R. China
2. Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education Hangzhou Normal University Hangzhou 311121 P. R. China
3. State Key Laboratory of Silicon Materials and School of Materials Science and Engineering Zhejiang University Hangzhou 310027 P. R. China
4. Key Laboratory of Graphene Technologies and Applications of Zhejiang Province CAS Engineering Laboratory for Graphene Advanced Li‐ion Battery Engineering Laboratory of Zhejiang Province Ningbo Institute of Materials Technology & Engineering Chinese Academy of Sciences Ningbo 315201 P. R. China