Issue 6, 2023

Heteroatomic interface engineering of an octahedron VSe2–ZrO2/C/MXene composite derived from a MXene-MOF hybrid as a superior-performance anode for lithium-ion batteries

Abstract

As a promising electrode material with tremendous specific capacity, vanadium diselenide (VSe2) has recently attracted renewed attention. However, the application of VSe2 is still hindered by the difficulty in its synthesis and nature of volume expansion. In this work, we developed a practical solvothermal method and in situ selenization process to obtain the VSe2–ZrO2/C/MXene composite from the MXene-metal–organic framework (MOF) hybrid precursor. During the synthesis process, V2CTx is converted to VSe2/MXene, which firmly anchors on the porous carbon derived from UiO-66 with the assistance of another derivative ZrO2via chemical bonding. Remarkably, benefitting from the practical cooperation between VSe2/MXene, ZrO2 and porous carbon, VSe2–ZrO2/C/MXene displays an outstanding lithium storage performance with an enduring capacity rise from 461.2 to 1238.5 mA h g−1 at 100 mA g−1 after a short recession during cycling, which is investigated in detail as a “negative fading” phenomenon. Even at the high current density of 1.0 A g−1, the composite still presents a high reversible capacity of 430 mA h g−1 after 1000 cycles, highlighting its superior cycling stability. The application potential of the VSe2–ZrO2/C/MXene anode for LIBs has also been evaluated by assembling full cells. The strategy in this work inspires the construction design of novel selenide-based electrode materials for high-performance lithium-ion batteries.

Graphical abstract: Heteroatomic interface engineering of an octahedron VSe2–ZrO2/C/MXene composite derived from a MXene-MOF hybrid as a superior-performance anode for lithium-ion batteries

Supplementary files

Article information

Article type
Paper
Submitted
20 Nov. 2022
Accepted
04 Janv. 2023
First published
05 Janv. 2023

J. Mater. Chem. A, 2023,11, 2836-2847

Heteroatomic interface engineering of an octahedron VSe2–ZrO2/C/MXene composite derived from a MXene-MOF hybrid as a superior-performance anode for lithium-ion batteries

H. Li, J. Li, L. Ma, X. Zhang, J. Li, J. Li, T. Lu and L. Pan, J. Mater. Chem. A, 2023, 11, 2836 DOI: 10.1039/D2TA09043K

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