NDLI: Rational design of a multidimensional N-doped porous carbon/MoS2/CNT nano-architecture hybrid for high performance lithium–sulfur batteries

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Rational design of a multidimensional N-doped porous carbon/MoS2/CNT nano-architecture hybrid for high performance lithium–sulfur batteries

Content Provider	Semantic Scholar
Author	Ren, Juan Juan Zhou, Yibei Zheng, Qiaoji Liao, Jie Long Long, Enyan Xie, Fengyu Xu, Chenggang Lin, Dunmin
Copyright Year	2018
Abstract	Exploring a stable and high-efficiency sulfur cathode with strong polarity and a robust porous conductive framework is a critical challenge to develop advanced lithium–sulfur (Li–S) batteries. Herein, a multidimensional N-doped porous carbon/MoS2/CNT (FSC/MoS2/CNT) nano-architecture hybrid is rationally designed and successfully fabricated by the facile pyrolysis and hydrothermal processes. For the nano-architecture composite, the porous carbon embedded with electroconductive acid-treated CNTs effectively enhances the flexibility and constructs a conductive network for rapid ion/electron transfer; specifically, a synergistic action of polar MoS2 and electronegative doped N atoms significantly strengthens the chemical affinity with polysulfides; furthermore, MoS2 exhibits a strong catalytic effect that can improve the redox kinetics of polysulfides. On account of the merits mentioned above, the as-built N-doped porous carbon/MoS2/CNTs@S (FSC/MoS2/CNTs@S) composite, utilized as the Li–S battery cathode, delivers a high discharge capacity of 1313.4 mA h g−1 at 0.1C, glorious rate performance with 671.6 mA h g−1 at 2.0C and remarkable cycling stability with a capacity fading rate of 0.059% per cycle for 500 cycles at 1.0C. This work provides a novel and simple strategy to design a CNT decorated polar and conductive hybrid network of doped porous carbon/transition metal sulfide for application in excellent performance Li–S batteries and numerous energy storage fields.
Starting Page	13835
Ending Page	13847
Page Count	13
File Format	PDF HTM / HTML
DOI	10.1039/C8TA04675A
Volume Number	6
Alternate Webpage(s)	http://www.rsc.org/suppdata/c8/ta/c8ta04675a/c8ta04675a1.pdf
Alternate Webpage(s)	https://doi.org/10.1039/C8TA04675A
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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