Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19904
Title: Hollow-tunneled graphitic carbon nanofibers through Ni-diffusion-induced graphitization as high-performance anode materials
Authors: Chen, Y
Li, X
Zhou, X
Yao, H 
Huang, H 
Mai, YW
Zhou, L 
Issue Date: 2014
Publisher: Royal Society of Chemistry
Source: Energy and environmental science, 2014, v. 7, no. 8, p. 2689-2696 How to cite?
Journal: Energy and Environmental Science 
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.
URI: http://hdl.handle.net/10397/19904
ISSN: 1754-5692
EISSN: 1754-5706
DOI: 10.1039/c4ee00148f
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