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Issue 8, 2015
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Multiwalled carbon nanotube@a-C@Co9S8 nanocomposites: a high-capacity and long-life anode material for advanced lithium ion batteries

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Abstract

A one-dimensional MWCNT@a-C@Co9S8 nanocomposite has been prepared via a facile solvothermal reaction followed by a calcination process. The amorphous carbon layer between Co9S8 and MWCNT acts as a linker to increase the loading of sulfides on MWCNT. When evaluated as anode materials for lithium ion batteries, the MWCNT@a-C@Co9S8 nanocomposite shows the advantages of high capacity and long life, superior to Co9S8 nanoparticles and MWCNT@Co9S8 nanocomposites. The reversible capacity could be retained at 662 mA h g−1 after 120 cycles at 1 A g−1. The efficient synthesis and excellent performances of this nanocomposite offer numerous opportunities for other sulfides as a new anode for lithium ion batteries.

Graphical abstract: Multiwalled carbon nanotube@a-C@Co9S8 nanocomposites: a high-capacity and long-life anode material for advanced lithium ion batteries

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Publication details

The article was received on 03 Dec 2014, accepted on 17 Jan 2015 and first published on 19 Jan 2015


Article type: Paper
DOI: 10.1039/C4NR07143C
Citation: Nanoscale, 2015,7, 3520-3525
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    Multiwalled carbon nanotube@a-C@Co9S8 nanocomposites: a high-capacity and long-life anode material for advanced lithium ion batteries

    Y. Zhou, D. Yan, H. Xu, S. Liu, J. Yang and Y. Qian, Nanoscale, 2015, 7, 3520
    DOI: 10.1039/C4NR07143C

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