Please use this identifier to cite or link to this item: https://doi.org/10.1039/c1ra00514f
Title: Long term cycling studies of electrospun TiO 2 nanostructures and their composites with MWCNTs for rechargeable Li-ion batteries
Authors: Zhu, P.
Wu, Y.
Reddy, M.V. 
Sreekumaran Nair, A. 
Chowdari, B.V.R. 
Ramakrishna, S. 
Issue Date: 21-Jan-2012
Citation: Zhu, P., Wu, Y., Reddy, M.V., Sreekumaran Nair, A., Chowdari, B.V.R., Ramakrishna, S. (2012-01-21). Long term cycling studies of electrospun TiO 2 nanostructures and their composites with MWCNTs for rechargeable Li-ion batteries. RSC Advances 2 (2) : 531-537. ScholarBank@NUS Repository. https://doi.org/10.1039/c1ra00514f
Abstract: Nanofiber- and rice grain-shaped TiO 2 nanostructures and their composites with functionalized multiwalled carbon nanotubes were fabricated by electrospinning and subsequent sintering process for applications in Lithium ion batteries. The fabricated nanostructures were characterized by X-ray diffraction, Raman spectroscopy, X-ray photoelectron spectroscopy, scanning-and transmission electron microscopy and surface area measurements. All nanostructured materials showed average discharge-charge plateaux of 1.75 to 1.95V. The nanofibrous- and rice grain-shaped TiO 2 nanomaterials showed stable performances of 136 (± 3) mAh g -1 and 140 (± 3) mAh g -1, respectively, at the end of 800 cycles in the cycling range of 1.0-2.8 V vs. Li at a current rate of 150 mA g -1. TiO 2-CNT (4 wt.%) composites showed a slightly lower capacity value but better capacity retention (8% capacity loss between 10-800 cycles). We believe that the present long term cycling materials would have wide interests in lithium ion batteries research. © 2012 The Royal Society of Chemistry.
Source Title: RSC Advances
URI: http://scholarbank.nus.edu.sg/handle/10635/85362
ISSN: 20462069
DOI: 10.1039/c1ra00514f
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