Hollow core-shell structured CNT/PAN@Co9S8@C coaxial nanocables as high-performance anode material for lithium ion batteries

Junting Gao; Xingchao Wang; Yudai Huang; Zhaoting Meng; Ying Sun; Yue Zhang; Yong Guo; Xincun Tang

doi:10.1016/j.jallcom.2020.157354

Hollow core-shell structured CNT/PAN@Co₉S₈@C coaxial nanocables as high-performance anode material for lithium ion batteries

Junting Gao, Xingchao Wang, Yudai Huang, Zhaoting Meng, Ying Sun, Yue Zhang, Yong Guo, Xincun Tang

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Transition metal sulfides, which possesses high ionic conductivity and high theoretical capacity, have attracted tremendous interest in the field of lithium ion batteries (LIBs). However, their application suffers from severe volume changes and structure deterioration during charge-discharge process. Herein, hollow core-shell structured CNT/PAN@Co₉S₈@C coaxial nanocables were synthesized. The unique structure can provide more channels for Li⁺ ions/electrons diffusion and alleviate volume swelling during charge/discharge process. As a result, CNT/PAN@Co₉S₈@C exhibits good cycling performance (>700 mAh g⁻¹ at 0.1 A g⁻¹) and rate capability (455 mAh g⁻¹ at 2 A g⁻¹ after 100 cycles). The impressive results demonstrate CNT/PAN@Co₉S₈@C is a promising candidate for anode material in high-performance LIBs.

Original language	English
Article number	157354
Journal	Journal of Alloys and Compounds
Volume	853
DOIs	https://doi.org/10.1016/j.jallcom.2020.157354
State	Published - Feb 5 2021
Externally published	Yes

Scopus Subject Areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

Keywords

Anode material
Coaxial nanocables
High-performance
Hollow core-shell structured CNT/PAN@CoS@C
Lithium ion batteries

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.jallcom.2020.157354

Cite this

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title = "Hollow core-shell structured CNT/PAN@Co9S8@C coaxial nanocables as high-performance anode material for lithium ion batteries",

abstract = "Transition metal sulfides, which possesses high ionic conductivity and high theoretical capacity, have attracted tremendous interest in the field of lithium ion batteries (LIBs). However, their application suffers from severe volume changes and structure deterioration during charge-discharge process. Herein, hollow core-shell structured CNT/PAN@Co9S8@C coaxial nanocables were synthesized. The unique structure can provide more channels for Li+ ions/electrons diffusion and alleviate volume swelling during charge/discharge process. As a result, CNT/PAN@Co9S8@C exhibits good cycling performance (>700 mAh g−1 at 0.1 A g−1) and rate capability (455 mAh g−1 at 2 A g−1 after 100 cycles). The impressive results demonstrate CNT/PAN@Co9S8@C is a promising candidate for anode material in high-performance LIBs.",

keywords = "Anode material, Coaxial nanocables, High-performance, Hollow core-shell structured CNT/PAN@CoS@C, Lithium ion batteries",

author = "Junting Gao and Xingchao Wang and Yudai Huang and Zhaoting Meng and Ying Sun and Yue Zhang and Yong Guo and Xincun Tang",

note = "Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

year = "2021",

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doi = "10.1016/j.jallcom.2020.157354",

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T1 - Hollow core-shell structured CNT/PAN@Co9S8@C coaxial nanocables as high-performance anode material for lithium ion batteries

AU - Gao, Junting

AU - Wang, Xingchao

AU - Huang, Yudai

AU - Meng, Zhaoting

AU - Sun, Ying

AU - Zhang, Yue

AU - Guo, Yong

AU - Tang, Xincun

PY - 2021/2/5

Y1 - 2021/2/5

N2 - Transition metal sulfides, which possesses high ionic conductivity and high theoretical capacity, have attracted tremendous interest in the field of lithium ion batteries (LIBs). However, their application suffers from severe volume changes and structure deterioration during charge-discharge process. Herein, hollow core-shell structured CNT/PAN@Co9S8@C coaxial nanocables were synthesized. The unique structure can provide more channels for Li+ ions/electrons diffusion and alleviate volume swelling during charge/discharge process. As a result, CNT/PAN@Co9S8@C exhibits good cycling performance (>700 mAh g−1 at 0.1 A g−1) and rate capability (455 mAh g−1 at 2 A g−1 after 100 cycles). The impressive results demonstrate CNT/PAN@Co9S8@C is a promising candidate for anode material in high-performance LIBs.

AB - Transition metal sulfides, which possesses high ionic conductivity and high theoretical capacity, have attracted tremendous interest in the field of lithium ion batteries (LIBs). However, their application suffers from severe volume changes and structure deterioration during charge-discharge process. Herein, hollow core-shell structured CNT/PAN@Co9S8@C coaxial nanocables were synthesized. The unique structure can provide more channels for Li+ ions/electrons diffusion and alleviate volume swelling during charge/discharge process. As a result, CNT/PAN@Co9S8@C exhibits good cycling performance (>700 mAh g−1 at 0.1 A g−1) and rate capability (455 mAh g−1 at 2 A g−1 after 100 cycles). The impressive results demonstrate CNT/PAN@Co9S8@C is a promising candidate for anode material in high-performance LIBs.

KW - Anode material

KW - Coaxial nanocables

KW - High-performance

KW - Hollow core-shell structured CNT/PAN@CoS@C

KW - Lithium ion batteries

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