1. College of Petrochemical Technology
2. Lanzhou University of Technology
3. Lanzhou 730050
4. P. R. China
5. Gansu Engineering Laboratory of Electrolyte Material for lithium-Ion Battery
6. Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources
7. Qinghai Institute of Salt Lakes
8. Chinese Academy of Sciences
9. Xining 810000
10. China