Titanium oxide nanofibers decorated nickel-rich cathodes as high performance electrodes in lithium ion batteries
2019/11/27 21:24:49
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TiO2 nanofibers (TNF) are prepared by electrospinning method and they are decorated over the surface of Li[Ni0.8Co0.15Al0.05]O-2 (LNCA) cathodes at three different ratios. The structural, electrochemical, and thermal characteristics of TNF-decorated LNCAs are compared with pristine LNCA. The TNF-decorated LNCA electrodes demonstrate better cycleability and specific capacity than those of the pristine LNCA. Under the current density of a C/10 rate, 1 wt% TNF-decorated LNCA delivers 89.2% and 81.4% of capacity retention at room temperature and elevated temperature, respectively. The onset temperature of thermal decomposition is also shifted towards higher temperature for TNF-decorated LNCA electrodes than pristine LNCA electrodes. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

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