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Materials 2017, 10(2), 174; doi:10.3390/ma10020174

Coaxial MoS2@Carbon Hybrid Fibers: A Low-Cost Anode Material for High-Performance Li-Ion Batteries

1
State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Lab of Graphene (NPU), Xi’an 710072, China
2
Department of Mechanical Engineering, University of Delaware, Newark, DE 19716, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Haolin Tang
Received: 13 January 2017 / Revised: 6 February 2017 / Accepted: 10 February 2017 / Published: 13 February 2017
(This article belongs to the Special Issue Materials for Electrochemical Capacitors and Batteries)
View Full-Text   |   Download PDF [3338 KB, uploaded 13 February 2017]   |  

Abstract

A low-cost bio-mass-derived carbon substrate has been employed to synthesize MoS2@carbon composites through a hydrothermal method. Carbon fibers derived from natural cotton provide a three-dimensional and open framework for the uniform growth of MoS2 nanosheets, thus hierarchically constructing coaxial architecture. The unique structure could synergistically benefit fast Li-ion and electron transport from the conductive carbon scaffold and porous MoS2 nanostructures. As a result, the MoS2@carbon composites—when serving as anodes for Li-ion batteries—exhibit a high reversible specific capacity of 820 mAh·g−1, high-rate capability (457 mAh·g−1 at 2 A·g−1), and excellent cycling stability. The use of bio-mass-derived carbon makes the MoS2@carbon composites low-cost and promising anode materials for high-performance Li-ion batteries. View Full-Text
Keywords: MoS2; composite; anode; low cost; Li-ion battery MoS2; composite; anode; low cost; Li-ion battery
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhou, R.; Wang, J.-G.; Liu, H.; Liu, H.; Jin, D.; Liu, X.; Shen, C.; Xie, K.; Wei, B. Coaxial MoS2@Carbon Hybrid Fibers: A Low-Cost Anode Material for High-Performance Li-Ion Batteries. Materials 2017, 10, 174.

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