1. Qingdao Industrial Energy Storage Technology Institute; Qingdao Institute of Bioenergy and Bioprocess Technology; Chinese Academy of Sciences; Qingdao 266101 P. R. China
2. College of Chemistry and Molecular Engineering; Qingdao University of Science and Technology; Qingdao 266042 P. R. China
3. Beijing National Laboratory for Condensed Matter Physics; Institute of Physics; Chinese Academy of Sciences; Beijing 100190 P. R. China
4. Beijing National Laboratory for Molecular Sciences; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P. R. China