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Issue 40, 2020
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MOF-derived hollow Co4S3/C nanosheet arrays grown on carbon cloth as the anode for high-performance Li-ion batteries

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Abstract

Cobalt sulfide (Co4S3) is considered one of the most promising anode materials for lithium-ion batteries owing to its high specific capacity. However, some disadvantages, such as poor electrical conductivity and volume expansion, lead to low rate capability and may hinder its practical applications. Herein, we firstly fabricated leaf-like hollow Co4S3/C nanosheet arrays growing on carbon cloth (h-Co4S3/C NA@CC) by a facile solution method combined with carbonization, sulfidation and annealing treatments. The carbon coated leaf-like nanosheet structure can facilitate the electron transfer and shorten the ion transfer path, while the hollow space inside Co4S3 can buffer the volume variation. As the anode for LIBs, h-Co4S3/C NA@CC demonstrates an impressive rate capability (654.3 mA h g−1 at 1 A g−1 and 394.1 mA h g−1 at 2 A g−1), and an excellent cycling stability (720 mA h g−1 at 1 A g−1 after 200 cycles and 79% capacity retention at 2 A g−1 after 500 cycles).

Graphical abstract: MOF-derived hollow Co4S3/C nanosheet arrays grown on carbon cloth as the anode for high-performance Li-ion batteries

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Supplementary files

Article information


Submitted
02 Sep 2020
Accepted
08 Sep 2020
First published
15 Sep 2020

Dalton Trans., 2020,49, 14115-14122
Article type
Paper

MOF-derived hollow Co4S3/C nanosheet arrays grown on carbon cloth as the anode for high-performance Li-ion batteries

M. Shi, Q. Wang, J. Hao, H. Min, H. You, X. Liu and H. Yang, Dalton Trans., 2020, 49, 14115
DOI: 10.1039/D0DT03070H

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