1. College of Chemistry and Molecular Science
2. Hubei Key Lab. of Electrochemical Power Sources
3. Wuhan University
4. Wuhan 430072
5. China
6. College of Materials and Chemical Engineering
7. China Three Gorges University
8. Yichang 443002
9. Institute of New Energy Material Chemistry
10. Nankai University
11. Tianjin 300350