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Electrochemical Properties of Sn/C Nanoparticles Fabricated by Pulse Wire Evaporation for Lithium Secondary Batteries
- Authors
- Ju, Jin-Hoon; Park, Sang-Hui; Park, Sang-Hee; Lee, Han-Gyeol; Choi, Hyon-Kwang; Cho, Gyu-Bong
- Issue Date
- Nov-2020
- Publisher
- American Scientific Publishers
- Keywords
- Anode; Sn/C; Polyamide-Imide; Pressing
- Citation
- Journal of Nanoscience and Nanotechnology, v.20, no.11, pp 7045 - 7050
- Pages
- 6
- Indexed
- SCIE
- Journal Title
- Journal of Nanoscience and Nanotechnology
- Volume
- 20
- Number
- 11
- Start Page
- 7045
- End Page
- 7050
- ISSN
- 1533-4880
1533-4899
- Abstract
- In this work, bare Sn and carbon-coated Sn nanoparticles were prepared by a pulsed wire evaporation process. The effect of binder and pressing ratio on electrochemical properties of Sn/C composite electrodes was investigated to enhance the structural stability of Sn anode. The electrode containing the polyamide-imide (PAI) binder with high tensile strength (52 MPa) exhibited higher coulombic efficiency and better cycle performance compared to the electrode with the conventional polyvinylidene fluoride (PVdF) binder. The 5%-pressed Sn/C electrode with the proper porosity in the electrode demonstrated the best cycle performance corresponding to 45% of capacity retention ratio until 100 cycles.
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