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Microwave-assisted rapid preparation of hollow carbon nanospheres@TiN nanoparticles for Lithium-Sulfur batteries

Abstract

Highly conductive Titanium nitride (TiN) has strong anchoring ability for lithium polysulfides (LiPSs). However, the complexity and high cost in fabricating limits their practical applications. Herein, a typical structure of hollow carbon nanospheres@TiN nanoparticles (HCNs@TiN) was designed and successfully synthesized via microwave reduction method with the advantages of economy and efficiency. With unique structural and outstanding functional behavior, HCNs@TiN-S hybrid electrodes display not only high initial discharge capacity of 1097.8 mAh g-1 at 0.1 C, but also excellent rate performance and cycling stability. After 200 cycles, a reversible capacity of 812.6 mAh g-1 is still retained, corresponding to 74% capacity retention of the original capacity and 0.13% decay rate per cycle, which are much better than those of contrast HCNs-S electrodes.

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Publication details

The article was received on 12 Oct 2018, accepted on 02 Nov 2018 and first published on 02 Nov 2018


Article type: Paper
DOI: 10.1039/C8DT04095H
Citation: Dalton Trans., 2018, Accepted Manuscript
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    Microwave-assisted rapid preparation of hollow carbon nanospheres@TiN nanoparticles for Lithium-Sulfur batteries

    J. Tu, H. Li, J. Zou, S. Zeng, Q. Zhang, L. Yu and X. Zeng, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT04095H

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