1. Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education)
2. College of Physics
3. Jilin University
4. Changchun 130012, P. R. China
5. CAS Key Laboratory of Biobased Materials
6. Qingdao Institute of Bioenergy and Bioprocess Technology
7. Chinese Academy of Sciences
8. Qingdao, P. R. China
9. State Key Laboratory of Superhard Materials