采用微波与传统加热相结合的方法首次合成了稀土掺杂基锂锰氧化物LiMn2-xNdxO4(x=0.005~0.1)材料,电化学性能测试结果表明材料在掺杂量为x=0.01时表现出最大放电比容量,同时具有很好的循环稳定性,经过100次循环其容量衰减仅为14.9%;XRD测试结果表明在LiMn2O4尖晶石晶格中掺入合适量的Nd对稳定尖晶石骨架结构起重要作用;FTIR分析技术揭示了容量少量衰减的原因.
参考文献
[1] | Nagaura T, Tozawa K. Prog. Batteries Sol. Cells, 1990, 9: 209-217. |
[2] | Bruce P G. Chem. Commun., 1997, 19: 1817-1824. |
[3] | Thackeray M M. Prog. Batteries Battery Mater., 1995, 14: 1-85. |
[4] | Thackeray M M, David W I F, Bruce P G, et al. Mater. Res. Bull., 1983, 18 (4): 461-472. |
[5] | Thackeray M M, Johnson P J, De Picciotto L A, et al. Mater. Res. Bull., 1984, 19 (2): 179-187. |
[6] | Goodenough J B, Thackeray M M, David W I F, et al. Rev. Chim. Miner., 1984, 21 (4): 435-455. |
[7] | Xia Y, Takeshige H, Noguchi H, et al. J. Power Sources, 1995, 56(1): 61-67. |
[8] | Jiang Z, Abraham K M. J. Electrochem. Soc., 1996, 143(5): 1591-1598. |
[9] | 康慨,戴受惠,万玉华(KANG Kai,et al).无机材料学报(Journal of Inorganic Materials),2001,16(4):586-594. |
[10] | 杨书廷,张焰峰,吕庆章,等(YANG Shu-Ting,et al).无机材料学报(Journal ofInorganic Materials),2000, 15 (2): 309-314. |
[11] | Wohlfahrt-Mehrens M, Butz A, Oesten R, et al. J. Power Sources, 1997, 68(2): 582-585. |
[12] | Li G H, Ikuta H, Uchida T, et al. J. Electrochem. Soc., 1996, 143(1): 178-182. |
[13] | Terada Y, Yasaka K, Nishikaca F, et al. J. Solid State Chemistry, 2001, 156(2): 286-291. |
[14] | Okada Mi, Lee Y S, Yoshio M, et al. J. Power Sources, 2000, 90(2): 196-200. |
[15] | Lee Y S, Kumada N, Yoshio M, J. Power Sources, 2001, 96(2): 376-384. |
[16] | Michael J C, Thackeray M,J. Electrochemical Sociey 1999 146(10): 3577-3581 |
[17] | 陈彦彬,韩景立,张刚,等.电源技术,2000,26(4):238-242. |
[18] | Lavela P, Sanchez L, Tirado J L. J. Solid State Chemistry, 2000, 150: 196-203. |
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