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Open AccessArticle

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
Materials 2017, 10(2), 174; https://doi.org/10.3390/ma10020174
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)
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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MDPI and ACS Style

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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