Adelaide Research & Scholarship
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https://hdl.handle.net/2440/96489
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| Type: | Journal article |
| Title: | Effect of Nb-doping on electrochemical stability of Li₄Ti₅O₁₂ discharged to 0 V |
| Other Titles: | Effect of Nb-doping on electrochemical stability of Li(4)Ti(5)O(12) discharged to 0 V |
| Author: | Tian, B. Xiang, H. Zhang, L. Wang, H. |
| Citation: | Journal of Solid State Electrochemistry, 2012; 16(1):205-211 |
| Publisher: | Springer Verlag |
| Issue Date: | 2012 |
| ISSN: | 1432-8488 1433-0768 |
| Statement of Responsibility: | Bingbing Tian, Hongfa Xiang, Le Zhang, Haihui Wang |
| Abstract: | Li4Ti4.95Nb0.05O12 is synthesized by a citric acid-assistant sol–gel method. X-ray diffraction (XRD) reveals that highly crystalline Li4Ti4.95Nb0.05O12 without any impurity is obtained. The electrochemical performances of the Li4Ti4.95Nb0.05O12 and the Li4Ti5O12 in the range from 0 to 2.5 V are investigated. The Li4Ti4.95Nb0.05O12 presents a higher specific capacity and better cycling stability than the Li4Ti5O12 due to the improved conductivity. The Li4Ti4.95Nb0.05O12 exhibits a capacity as high as 231.2 mAh g−1 after 100 cycles, which is much higher than the Li4Ti5O12 (111.1 mAh g−1). The effect of Nb-doping on electrochemical performance of Li4Ti5O12 discharged to 0 V has also been discussed. |
| Rights: | © Springer-Verlag 2011 |
| DOI: | 10.1007/s10008-011-1305-z |
| Published version: | http://dx.doi.org/10.1007/s10008-011-1305-z |
| Appears in Collections: | Aurora harvest 3 Chemical Engineering publications |
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