Carbon nanotubes-intercalated Co-N-C as a robust sulfur host for lithium-sulfur batteries

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成果类型：

期刊论文

作者：

Liu, Beibei;Fan, Kaili;Li, Junhua;Liu, Guiyu;Liu, Youcai*;...

通讯作者：

Liu, Youcai;Han, Kai;Qian, Dong

作者机构：

[Liu, Youcai; Liu, YC; Han, Kai; Qian, Dong; Fan, Kaili; Liu, Beibei; Liu, Guiyu] Cent S Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Chem Power Resources, Changsha 410083, Hunan, Peoples R China.

[Li, Junhua] Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

[Yang, Chunming] Hunan Normal Univ, Coll Chem & Chem Engn, Changsha 410081, Hunan, Peoples R China.

[Tong, Haixia] Changsha Univ Sci & Technol, Inst Chem & Biol Engn, Changsha 410114, Hunan, Peoples R China.

通讯机构：

[Liu, YC; Han, K; Qian, D] C

Cent S Univ, Coll Chem & Chem Engn, Hunan Prov Key Lab Chem Power Resources, Changsha 410083, Hunan, Peoples R China.

语种：

英文

关键词：

Carbon carbon composites;Carbon nanotubes;Decay (organic);Doping (additives);Efficiency;Lithium batteries;Lithium compounds;Zeolites;Battery performance;Coulombic efficiency;Electrochemical performance;Electroconductivity;Imidazolate;Initial discharge capacities;Metallic cobalt;N-doped;Lithium sulfur batteries

期刊：

Materials Research Bulletin

ISSN：

0025-5408

年：

2020

卷：

121

页码：

110625

DOI：

10.1016/j.materresbull.2019.110625

基金类别：

This work was financially supported by National Natural Science Foundation of China (No. 51874359 , 21706292 , 21171174 and 21505035 ), Hunan Provincial Science and Technology Plan Project (No. 2017TP1001 ), Hunan Provincial Natural Science Foundation of China (No. 2017JJ3376 ) and Changsha Municipal Science and Technology project fund (No. kq1706062 ). This work was financially supported by National Natural Science Foundation of China (No. 51874359, 21706292, 21171174 and 21505035), Hunan Provincial Science and Technology Plan Project (No. 2017TP1001), Hunan Provincial Natural Science Foundation of China (No. 2017JJ3376) and Changsha Municipal Science and Technology project fund (No. kq1706062).

机构署名：

本校为其他机构

院系归属：

化学与材料科学学院

摘要：

We design a novel sulfur host composite with carbon nanotubes (CNTs) intercalated to the polyhedrons consisting of metallic cobalt and N-doped carbon derived from zeolite imidazolate framework-67 (Co-N-C/CNTs). As compared with the pristine Co-N-C, the intercalated CNTs can lead to significant enhancements of specific surface area, sulfur loading and electroconductivity, thus pronouncedly improving the overall Li-S battery performance. More specifically, the Co-N-C/CNTs/S cathode delivers an initial discharge capacity of 1440.6 mA h g−1 at 0.1...

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Carbon nanotubes-intercalated Co-N-C as a robust sulfur host for lithium-sulfur batteries

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