1. Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130012, P. R. China
2. Hunan Agricultural University, School of Chemistry and Materials Science, Changsha, Hunan 410128, P. R. China
3. College of Chemistry, Jilin University, Changchun 130012, P. R. China
4. Graduate School of Life Sciences, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan
5. Department of Medical Bioscience, Faculty of Bioscience, Nagahama Institute of Bio-Science and Technology, Nagahama, Shiga 526-0829, Japan