Journal
SOLID STATE IONICS
Volume 181, Issue 15-16, Pages 678-683Publisher
ELSEVIER
DOI: 10.1016/j.ssi.2010.03.032
Keywords
Sol-gel; Electrospinning; Lithium ion battery; Nanostructure; Core-shell fiber
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Funding
- Doctoral Foundation of Shandong Province [2007BS04042]
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The nanostructured Li(Ni1/3Co1/3Mn1/3)O-2/Li(Ni1/2Mn1/2)O-2 fibers for use as lithium ion batteries were prepared by co-electrospinning combined with a sol-gel method. The core-shell Li(Ni1/3Co1/3Mn1/3)O-2/Li(Ni1/2Mn1/2)O-2 fibers show diameter of less than 5 mu m and shell thickness of ca.300 nm, which are composed of the randomly arranged nanoparticles with size of 20-50 nm. The charge-discharge curves and cycle performance analyses indicated that the core-shell Li(Ni1/3Co1/3Mn1/3)O-2/Li(Ni1/2Mn1/2)O-2 fibers possess a high charge-discharge capacity, as well as good cyclical stability. (C) 2010 Elsevier B.V. All rights reserved.
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