W2C/WS(2)Alloy Nanoflowers as Anode Materials for Lithium-Ion Storage
- Authors
- Thang Phan Nguyen; Kim, Il Tae
- Issue Date
- Jul-2020
- Publisher
- MDPI
- Keywords
- W2C; WS2; hydrothermal; nanoflowers; lithium-ion batteries
- Citation
- NANOMATERIALS, v.10, no.7
- Journal Title
- NANOMATERIALS
- Volume
- 10
- Number
- 7
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/78037
- DOI
- 10.3390/nano10071336
- ISSN
- 2079-4991
- Abstract
- Recently, composites of MXenes and two-dimensional transition metal dichalcogenides have emerged as promising materials for energy storage applications. In this study, W2C/WS(2)alloy nanoflowers (NFs) were prepared by a facile hydrothermal method. The alloy NFs showed a particle size of 200 nm-1 mu m, which could be controlled. The electrochemical performance of the as-prepared alloy NFs was investigated to evaluate their potential for application as lithium-ion battery (LIB) anodes. The incorporation of W2C in the WS(2)NFs improved their electronic properties. Among them, the W2C/WS2_4h NF electrode showed the best electrochemical performance with an initial discharge capacity of 1040 mAh g(-1)and excellent cyclability corresponding to a reversible capacity of 500 mAh g(-1)after 100 cycles compared to that of the pure WS2NF electrode. Therefore, the incorporation of W2C is a promising approach to improve the performance of LIB anode materials.
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