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Immobilization of sulfur by constructing three-dimensional nitrogen rich carbons for long life lithium-sulfur batteries
Tan, Yingbin; Zheng, Zhihui; Huang, Shiting; Wang, Yongzhe; Cui, Zhonghui; Liu, Jianjun; Guo, Xiangxin
2017
发表期刊Journal of Materials Chemistry A
ISSN20507488
卷号5期号:18页码:8360-8366
摘要Lithium-sulfur (Li-S) batteries have been considered as next-generation rechargeable energy storage systems due to their high theoretical energy densities and low cost; however, the capacity decay resulting from the shuttle of lithium polysulfides (LiPSs) hinders their practical application. Herein, we describe a strategy to synthesize highly pyridinic-N-doped three-dimensional (3D) carbons for the chemisorption of LiPSs, which consist of zeolitic imidazolate framework-8-derived carbon (ZIF-8(C)) coated on the surface of N-doped carbon nanotubes supported by carbon nanosheets (NCNTs-CS-ZIF-8(C)). Using the obtained carbons as sulfur hosts, the S/NCNTs-CS-ZIF-8(C) cathodes show a high sulfur utilization of 86% at 0.1 C, a low capacity decay rate of 0.052% per cycle over 700 cycles at 1 C and impressive cycling life that is 564 mA h g-1after 700 cycles at 1 C. First principles calculations based on the Vienna Ab-Initio Simulation Package (VASP) reveal that increasing the amount of the pyridinic-N component can enhance the adsorption of LiPSs, which yields effective suppression of the LiPS shuttle. © 2017 The Royal Society of Chemistry.
DOI10.1039/c7ta01346a
EI入藏号20172703896855
EI主题词Lithium sulfur batteries
EI分类号702.1.1 Primary Batteries - 801.2 Biochemistry - 804 Chemical Products Generally - 819.4 Fiber Products - 921 Mathematics
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25572
专题中国科学院上海硅酸盐研究所
作者单位State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China
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Tan, Yingbin,Zheng, Zhihui,Huang, Shiting,et al. Immobilization of sulfur by constructing three-dimensional nitrogen rich carbons for long life lithium-sulfur batteries[J]. Journal of Materials Chemistry A,2017,5(18):8360-8366.
APA Tan, Yingbin.,Zheng, Zhihui.,Huang, Shiting.,Wang, Yongzhe.,Cui, Zhonghui.,...&Guo, Xiangxin.(2017).Immobilization of sulfur by constructing three-dimensional nitrogen rich carbons for long life lithium-sulfur batteries.Journal of Materials Chemistry A,5(18),8360-8366.
MLA Tan, Yingbin,et al."Immobilization of sulfur by constructing three-dimensional nitrogen rich carbons for long life lithium-sulfur batteries".Journal of Materials Chemistry A 5.18(2017):8360-8366.
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