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Issue 8, 2014
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Hollow-tunneled graphitic carbon nanofibers through Ni-diffusion-induced graphitization as high-performance anode materials

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Abstract

N-doped nanoporous graphitic carbon has attracted great interest because of its distinctive structure and physical properties. In this paper, we have proposed a novel method to control Ni-induced graphitization by diffusing Ni nanoparticles from graphitic carbon spheres into N-doped amorphous carbon nanofibers, which turns amorphous carbon into graphitic carbon and produces a hollow-tunnel structure in electrospun carbon/Ni nanofibers. The resultant materials were further treated by chemical activation and acid treatment to develop activated N-doped hollow-tunneled graphitic carbon nanofibers (ANHTGCNs). In a typical application, we demonstrate that ANHTGCNs are excellent anode materials for lithium ion batteries (LIBs), displaying a superhigh reversible specific capacity of ∼1560 mA h g−1 and a remarkable volumetric capacity of ∼1.8 A h cm−3 at a current density of 0.1 A g−1 with outstanding rate capability and good cycling stability.

Graphical abstract: Hollow-tunneled graphitic carbon nanofibers through Ni-diffusion-induced graphitization as high-performance anode materials

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Publication details

The article was received on 15 Jan 2014, accepted on 13 May 2014 and first published on 14 May 2014


Article type: Paper
DOI: 10.1039/C4EE00148F
Author version available: Download Author version (PDF)
Citation: Energy Environ. Sci., 2014,7, 2689-2696
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    Hollow-tunneled graphitic carbon nanofibers through Ni-diffusion-induced graphitization as high-performance anode materials

    Y. Chen, X. Li, X. Zhou, H. Yao, H. Huang, Y. Mai and L. Zhou, Energy Environ. Sci., 2014, 7, 2689
    DOI: 10.1039/C4EE00148F

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