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AbstractAbstract
[en] Using 2-methoxyethanol-water solution as the media, nano-LiFePO4/carbon composite cathodes material have been synthesized via a simple and new sol-gel route from iron nitrate, lithium dihydrogen phosphate. X-ray diffraction analysis, field emission scanning electron microscopy and transmission electron microscope observations showed that LiFePO4 with a well-crystallized olivine structure appeared in the heat-treated powder and the average particle size was about 65 nm with uniform distribution. In the process of heat treatment, the sucrose decomposed on the surface of LiFePO4 particles to in situ form carbon conductive webs structure. The favorable physical characteristics of the nano-LiFePO4/carbon composite materials exhibited excellent rate performance and cyclability, delivering a discharge capacity of 103 mAh g-1 (10C charge/discharge rate) after 50 cycles
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S0925-8388(07)01187-5; Available from http://dx.doi.org/10.1016/j.jallcom.2007.05.031; Copyright (c) 2007 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
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AQUEOUS SOLUTIONS, CARBON, COMPOSITE MATERIALS, ELECTRIC BATTERIES, FIELD EMISSION, HEAT TREATMENTS, IRON NITRATES, IRON PHOSPHATES, LITHIUM, LITHIUM IONS, LITHIUM PHOSPHATES, OLIVINE, PARTICLE SIZE, SCANNING ELECTRON MICROSCOPY, SOL-GEL PROCESS, SYNTHESIS, TRANSMISSION ELECTRON MICROSCOPY, X-RAY DIFFRACTION
ALKALI METAL COMPOUNDS, ALKALI METALS, CHARGED PARTICLES, COHERENT SCATTERING, DIFFRACTION, DISPERSIONS, ELECTROCHEMICAL CELLS, ELECTRON MICROSCOPY, ELEMENTS, EMISSION, ENERGY STORAGE SYSTEMS, ENERGY SYSTEMS, HOMOGENEOUS MIXTURES, IONS, IRON COMPOUNDS, LITHIUM COMPOUNDS, MATERIALS, METALS, MICROSCOPY, MINERALS, MIXTURES, NITRATES, NITROGEN COMPOUNDS, NONMETALS, OXYGEN COMPOUNDS, PHOSPHATES, PHOSPHORUS COMPOUNDS, SCATTERING, SILICATE MINERALS, SIZE, SOLUTIONS, TRANSITION ELEMENT COMPOUNDS
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