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

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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 nanotubes intercalation;Metallic cobalt and N-doped carbon composite;Zeolite imidazolate framework-67;Electrochemical performance;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：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China [51874359, 21706292, 21171174, 21505035]; Hunan Provincial Science and Technology Plan Project [2017TP1001]; Hunan Provincial Natural Science Foundation of ChinaNatural Science Foundation of Hunan Province [2017JJ3376]; Changsha Municipal Science and Technology project fund [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 0.1C while 1104.4 mA h g(-1) for Co-N-C/S. At 1C, th...

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

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