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Issue 41, 2014
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High performance of Ge@C nanocables as the anode for lithium ion batteries

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Abstract

Germanium is a promising high-capacity anode material for lithium ion batteries. But as a huge volume variation always occurs during the charge/discharge process, it usually exhibits poor cycling stability. Herein, a low-cost Ge precursor was used for the preparation of Ge@C core–shell composited NWs by a facile and “green” synthetic route. The Ge@C nanocomposites, as anode materials for lithium-ion batteries, exhibited a high initial discharge capacity of 1648 mA h g−1 and superior rate capability. In particular, Ge@C nanocomposite electrodes maintained a reversible capacity of 1086 mA h g−1 after repeated cycling at a current density of 0.5 C (600 mA g−1) over 200 cycles.

Graphical abstract: High performance of Ge@C nanocables as the anode for lithium ion batteries

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Publication details

The article was received on 21 Feb 2014, accepted on 01 May 2014 and first published on 02 May 2014


Article type: Paper
DOI: 10.1039/C4RA01512F
Citation: RSC Adv., 2014,4, 21450-21455
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    High performance of Ge@C nanocables as the anode for lithium ion batteries

    G. H. Yue, X. Q. Zhang, Y. C. Zhao, Q. S. Xie, X. X. Zhang and D. L. Peng, RSC Adv., 2014, 4, 21450
    DOI: 10.1039/C4RA01512F

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