Kinetic study on LiFePO4/C nanocomposites synthesized by solid state technique
Kinetic study on LiFePO4/C nanocomposites synthesized by solid state technique
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DOI：
10.1016/j.jpowsour.2005.10.098
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发表时间：
2006-09-13
影响因子：
9.2
通讯作者：
Wu, H. Q.
中科院分区：
文献类型：
--
作者：
Liu, H.;Li, C.;Wu, H. Q.
采用固相反应法合成了结晶良好、均匀的磷酸亚铁锂/碳纳米复合材料，所得颗粒为球形。CV和EIS测试结果表明，锂离子在纳米复合材料中的扩散系数受碳含量的影响，并随碳含量的增加而显著增加。同时，嵌锂和脱锂动力学也得到了很大的改善。这些数据为这种纳米复合材料在锂离子电池中的潜在应用提供了有力的证据。(c)2005 Elsevier B. V.保留所有权利。
Well-crystallized, homogeneous nanocomposites of lithium iron(H) phosphate and carbon was synthesized by solid state reaction, and the obtained particles are spherical. Measurement of both CV and EIS shows that the lithium ion diffusion coefficient in the nanocomposites is affected by the incorporated carbon, and markedly increases with the carbon content. Meanwhile, the kinetics of lithium intercalation and de-intercalation is greatly ameliorated. These data provide strong evidence of the potential use of this kind of nanocomposite cathode in lithium ion battery. (c) 2005 Elsevier B.V. All rights reserved.