1. Vanadium and Titanium Resource Comprehensive Utilization Key Laboratory of Sichuan Province Panzhihua University Panzhihua 617000 P. R. China
2. State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 P. R. China
3. Tianjin Key Laboratory of Molecular Optoelectronic Sciences Department of Chemistry, School of Science Tianjin University Tianjin 300072 P. R. China
4. School of Chemistry and Chemical Engineering Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education) Huazhong University of Science and Technology Wuhan 430074 P. R. China