Journal
NANOMATERIALS
Volume 10, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/nano10071336
Keywords
W2C; WS2; hydrothermal; nanoflowers; lithium-ion batteries
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Funding
- Korea Electric Power Corporation [R18XA02]
- Basic Science Research Capacity Enhancement Project of Korea Basic Science Institute (National research Facilities and Equipment Center)
- Ministry of Education [2019R1A6C1010016]
- National Research Foundation of Korea [2019R1A6C1010016] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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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