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Synthesis and characterization of novel LiFeBO3/C cathodes for lithium batteries

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Synthesis and characterization of novel LiFeBO3/C cathodes for lithium batteries

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Title: Synthesis and characterization of novel LiFeBO3/C cathodes for lithium batteries
Author: Aravindan, Vanchiappan; Umadevi, M.
Copyright year: 2012
Abstract: Carbon-coated LiFeBO3 has been successfully synthesized by solid state reaction method at 750 °C under Ar atmosphere. Adipic acid was chosen for the source material for carbon during synthesis process. X-ray diffraction pattern confirms the formation of phase with monoclinic structure. Scanning electron microscopic study vindicates the particulate nature of the synthesized LiFeBO3 with weak agglomeration. Electrochemical impedance spectroscopy parallels the enhanced conducting properties of carbon-coated LiFeBO3 rather pristine LiFeBO3. The Li/carbon-coated LiFeBO3 and LiFeBO3 cells presented the initial discharge capacities 93 and 47 mAh/g, respectively. After few cycles, the carbon-coated LiFeBO3 exhibited stable discharge behavior (~53 mAh/g), whereas bare LiFeBO3 is concerned because poor electrochemical performance has resulted.
Subject: DRNTU::Engineering::Materials::Energy materials
Type: Journal Article
Series/ Journal Title: Ionics
Research Centre: Energy Research Institute @ NTU (ERI@N)
Rights: © 2011 Springer-Verlag. This is the author created version of a work that has been peer reviewed and accepted for publication by Ionics, Springer-Verlag. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1007/s11581-011-0594-7]
Version: Accepted version

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