1. Key Laboratory of Hunan Province for Advanced Carbon-based Functional Materials, School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, P. R. China
2. National Base for International Science & Technology Cooperation, National Local Joint Engineering Laboratory for Key Materials of New Energy Storage Battery, Hunan Province Key Laboratory of Electrochemical Energy Storage & Conversion, School of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
3. Key Laboratory of Hunan Province for Advanced Carbon-based Functional Materials, College of Mechanical Engineering, Hunan Institute of Science and Technology, Yueyang 414006, P. R. China
4. Beijing Institute of Radiation Medicine, Beijing 100850, P. R. China