Issue 33, 2022

Engineering a ternary one-dimensional Fe2P@SnP0.94@MoS2 mesostructure through magnetic-field-induced self-assembly as a high-performance lithium-ion battery anode

Abstract

Engineering energy-storage materials possessing high-speed electronic and ionic transport properties for secondary batteries is significant. Here, we develop a ternary one-dimensional mesostructured anode composed of MoS2 nanosheets grown in situ on SnP0.94 nanotubes infilled with Fe2P nanospheres, which is prepared by magnetic-field-induced self-assembly. The mesostructure provides fast transport pathways for electrons, as verified through a galvanostatic intermittent titration technique; and the voids effectively alleviate the volume change, enabling long-term cycling stability. The Fe2P@SnP0.94@MoS2 anode displays a high capacity of 797.5 mA h gāˆ’1 after cycling 800 times at 2 A gāˆ’1, a coulombic efficiency of 99.4%, and stable rate-performance after three rounds of cycling. Furthermore, the anode shows high capacities at different temperatures, indicating that the composite presented here has a promising potential for use in real conditions.

Graphical abstract: Engineering a ternary one-dimensional Fe2P@SnP0.94@MoS2 mesostructure through magnetic-field-induced self-assembly as a high-performance lithium-ion battery anode

Supplementary files

Article information

Article type
Communication
Submitted
13 Jan 2022
Accepted
22 Mar 2022
First published
23 Mar 2022

Chem. Commun., 2022,58, 5108-5111

Engineering a ternary one-dimensional Fe2P@SnP0.94@MoS2 mesostructure through magnetic-field-induced self-assembly as a high-performance lithium-ion battery anode

J. Liu, T. Zhou, T. Han, L. Zhu, Y. Wang, Y. Hu and Z. Chen, Chem. Commun., 2022, 58, 5108 DOI: 10.1039/D2CC00230B

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