MoS2-TiC-C Nanocomposites as New Anode Materials for High-Performance Lithium-Ion Batteries
- Authors
- Quoc Hai Nguyen; Hur, Jaehyun
- Issue Date
- Feb-2019
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Molybdenum Disulfide; TiC-C; Anode; Nanocomposite; Lithium-Ion Batteries
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.19, no.2, pp.996 - 1000
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 19
- Number
- 2
- Start Page
- 996
- End Page
- 1000
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/1871
- DOI
- 10.1166/jnn.2019.15953
- ISSN
- 1533-4880
- Abstract
- The MoS2-TiC-C nanocomposite was prepared by high-energy ball milling (HEBM) for application as a new anode material for lithium-ion batteries. Pure molybdenum disulfide (MoS2), Ti, and carbon black (C) were used as the starting materials for the synthesis process. Various analyses including X-ray diffraction (XRD), transmission electron microscopy (TEM), and scanning electron microscopy (SEM) revealed that the nanosized MoS2 active materials were uniformly dispersed in a TiC-C matrix formed via the HEBM process. We investigated the cyclic performance, rate capability, and electrochemical impedance spectra using the as-prepared composite as an anode material. The results showed that the electrochemical performances of the MoS2-based nanocomposite were significantly improved compared to those of MoS2-C and MoS2 due to the presence of the TiC-C matrix in MoS2. Furthermore, we determined the optimal milling time based on the cyclic performances of the materials.
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