研究了Pt掺杂对LiCoO2电化学性能的影响.以氧化物形式将少量Pt元素引入到LiCoO2中,发现形成了LiCoO2-Li2PtO3-Pt混合化合物系统.比较了纯LiCoO2和该LiCoO2基复合材料的电化学性能,结果显示复合材料具有比纯LiCoO2材料优秀得多的倍率性能,表明Li离子在该复合化合物中有更快的扩散速率,恒电流滴定实验结果也证明了这一点.
参考文献
| [1] | Ceder G, Chiang Y M, Sadoway D R, et al. Nature, 1998, 392: 694-696. |
| [2] | Jang Y I, Huang B, Wang H, et al. J. Electrochern. Soc., 1999, 146: 862-868. |
| [3] | Ohzuku T, Ueda A, Nagayama M, et al. Electrochim. Acta, 1993, 38: 1159-1167. |
| [4] | Wang B, Bates J B, Hart F X, et al. J. Electrochem. Soc., 1996, 143: 3203-3213. |
| [5] | Dudney N J, Bates J B, Zuhr R A, et al. J. Electrochem. Soc., 1996, 146: 2455-2464. |
| [6] | Morcrette M, Barboux P, Perriere J, et al. Solid State Inoics., 2001, 138: 213-219. |
| [7] | Weppner W, Huggins R A. J. Electrochem. Soc., 1977, 124: 1569-1578. |
| [8] | John C W, Boukamp B A, Huggins R A, et al. J. Electrochem. Soc., 1979, 126: 2258-2266. |
| [9] | Okada S, Yamaki J, Asakura K, et al. Electrochim. Acta, 1999, 45: 329-334. |
| [10] | Reimers J N, Dahn J R. J. Electrochem. Soc., 1992, 139: 2091-2097. |
| [11] | Pyun S I, Choi Y M. J. Power Sources, 1997, 68: 524-529. |
| [12] | Myung S T, Kumagai N, Kumaba S, et al. Solid State Ionics, 2001, 139: 47-56. |
| [13] | Abraham K M, Pasquariello D M, Willstaedt E M. J. Electrochem. Soc., 1998, 145: 482-485. |
| [14] | Choblet A, Shiao H C, Lin H, et al. Electrochemical and Solid-State Letters, 2001, 4: A65-A67. |
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