Synthesis and characterization of electrospun iron-doped lithium titanate/carbon nanofiber mats

In this paper, nanofibers composed of spinel Li 4 Ti 5−x Fe x O 12 (x = 0 and 0.1)/carbon were synthetized by electrospinning method. Thermal analysis of the prepared fiber was conducted by differential thermal/thermogravimetric analysis, crystal structure was characterized by X-ray diffraction, mor...

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Veröffentlicht in:Journal of materials science. Materials in electronics 2015-06, Vol.26 (6), p.4241-4249
Hauptverfasser: Hernandez-Carrillo, Rubi A., Garcia-Gomez, Nora A., Garcia-Gutierrez, Domingo I., Garza-Tovar, Lorena L., Sanchez, Eduardo M.
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container_end_page 4249
container_issue 6
container_start_page 4241
container_title Journal of materials science. Materials in electronics
container_volume 26
creator Hernandez-Carrillo, Rubi A.
Garcia-Gomez, Nora A.
Garcia-Gutierrez, Domingo I.
Garza-Tovar, Lorena L.
Sanchez, Eduardo M.
description In this paper, nanofibers composed of spinel Li 4 Ti 5−x Fe x O 12 (x = 0 and 0.1)/carbon were synthetized by electrospinning method. Thermal analysis of the prepared fiber was conducted by differential thermal/thermogravimetric analysis, crystal structure was characterized by X-ray diffraction, morphology and composition was determined by scanning electron and transmission electron microscopy. The results showed that fibers were composed of nanocrystals of lithium titanate with an average diameter from 17 to 25 nm supported in a carbonaceous matrix. The added Fe played an important role in improving the electronic conductivity and the charge-transfer process of the Li 4 Ti 4.9 Fe 0.1 O 12 /C electrode. Due to the morphological and structural features of these novel nanostructured materials, it can be considered as promising candidates for applications in lithium ion batteries.
doi_str_mv 10.1007/s10854-015-2974-7
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Chemistry and Materials Science
Materials Science
Optical and Electronic Materials
title Synthesis and characterization of electrospun iron-doped lithium titanate/carbon nanofiber mats
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