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Se@MoSe2/Si composite boosts excellent lithium storage capability with enhanced electrochemical activity.
- Source :
-
Ceramics International . Jan2024:Part B, Vol. 50 Issue 2, p3763-3771. 9p. - Publication Year :
- 2024
-
Abstract
- The traditional MoSe 2 anode material for lithium-ion batteries has poor cyclic stability and relatively low capacity, which hinders its practical application. Herein, high capacity of Si and Se are exploratively incorporated into two-dimensional MoSe 2 nanopetals to configure Se@MoSe 2 /Si composite. The optimized Se@MoSe 2 /Si composites have both high capacity and good electrochemical stability with a high retention capacity of 1187.7 mAh/g after 200 cycles at 100 mA/g current density. The visible depression on volumetric expansion is observed on the configuration of Se@MoSe 2 /Si. The admirable function of silicon on the enhancement of the electrochemical activity and the conductivity of Se@MoSe 2 is theoretically demonstrated by First-principles calculations. This mutually beneficial interaction between the components demonstrates a promising synergistic effect on Se@MoSe 2 /Si. [ABSTRACT FROM AUTHOR]
- Subjects :
- *LITHIUM-ion batteries
*ANODES
*STORAGE
Subjects
Details
- Language :
- English
- ISSN :
- 02728842
- Volume :
- 50
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- Ceramics International
- Publication Type :
- Academic Journal
- Accession number :
- 174232725
- Full Text :
- https://doi.org/10.1016/j.ceramint.2023.11.129