Yao, J., Shen, C., Zhang, P., Ma, C.A., Gregory, D.H. and Wang, L. (2013) Spinel-Li3.5+xTi5O12 coated LiMn2O4 with high surface Mn valence for an enhanced cycling performance at high temperature. Electrochemistry Communications, 31, pp. 92-95. (doi: 10.1016/j.elecom.2013.03.014)
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Abstract
Li<sub>3.5+x</sub>Ti<sub>5</sub>O<sub>12</sub> and Li4Ti5O12 layers coated LiMn<sub>2</sub>O<sub>4</sub>were prepared via sol–gel route, with subsequent annealing at 750 °C. XRD studies showed coating did not change the structure of LiMn<sub>2</sub>O<sub>4</sub>. TEM studies showed coating layers were formed around LiMn<sub>2</sub>O<sub>4</sub> particles, both corresponding spinel LiTiO phase. XPS studies showed the valence of surface Mn for the Li<sub>3.5+x</sub>Ti<sub>5</sub>O<sub>12</sub>-coated-LiMn<sub>2</sub>O<sub>4</sub> increased after annealing. This sample also demonstrated a favorable cycling performance.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Gregory, Professor Duncan |
| Authors: | Yao, J., Shen, C., Zhang, P., Ma, C.A., Gregory, D.H., and Wang, L. |
| College/School: | College of Science and Engineering > School of Chemistry |
| Journal Name: | Electrochemistry Communications |
| Publisher: | 1388-2481 |
| ISSN (Online): | 1873-1902 |
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