期刊
JOURNAL OF POWER SOURCES
卷 159, 期 1, 页码 717-720出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2005.10.098
关键词
lithium ion battery; LiFePO4; carbon; nanocomposite; lithium ion diffusion
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.
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