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CoS2 Hollow Spheres: Fabrication and Their Application in Lithium-Ion Batteries
Abstract
Uniform hollow spheres of CoS 2 have been successfully synthesized via a facile solvothermal method and electrochemically investigated as anode material for lithium-ion batteries. The key strategy is that sulfur powder is used as the sulfur source, while absolute ethanol (EtOH) serves as the solvent and reducing agent simultaneously. X-ray diffraction (XRD) and energy dispersive spectroscopy (EDS) patterns demonstrate the high purity of the product. SEM images display that the hollow spheres are about 2−3 μm in diameter and 300 nm in shell thickness. The mechanism for the formation of the final hollow structure is discussed. Temperature and reaction concentrations are found to be the key factors in controlling the morphologies. Meanwhile, electrochemical measurements reveal that the as-prepared CoS 2 delivers high discharge capacity (1210 mAh g −1 ) and good cycle stability, indicating that it might find possible application as anode material for lithium-ion batteries in the long term.
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Citations
Cited by
Metal Sulfide Hollow Nanostructures for Electrochemical Energy Storage
Yu, X., Yu, L., & Lou, X. W. (. (2016) · Advanced Energy Materials · doi:10.1002/aenm.201501333 · Cited by 760
Faber, M. S., Lukowski, M. A., Ding, Q., Kaiser, N. S., & Jin, S. (2014) · The Journal of Physical Chemistry C · doi:10.1021/jp506288w · Cited by 618
Peng, S., Li, L., Han, X., Sun, W., Srinivasan, M., Mhaisalkar, S. G., Cheng, F., Yan, Q., Chen, J., & Ramakrishna, S. (2014) · Angewandte Chemie International Edition · doi:10.1002/anie.201408876 · Cited by 428
Peng, S., Li, L., Han, X., Sun, W., Srinivasan, M., Mhaisalkar, S. G., Cheng, F., Yan, Q., Chen, J., & Ramakrishna, S. (2014) · Angewandte Chemie · doi:10.1002/ange.201408876 · Cited by 209
Faber, M. S., Park, K., Cabán-Acevedo, M., Santra, P. K., & Jin, S. (2013) · The Journal of Physical Chemistry Letters · doi:10.1021/jz400642e · Cited by 206
Metadata
- Authors
- Wang, Q., Jiao, L., Han, Y., Du, H., Peng, W., Huan, Q., Song, D., Si, Y., Wang, Y., & Yuan, H.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-04-05
- Volume
- 115
- Issue
- 16
- Pages
- 8300-8304
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2320168020
- Cited by
- 307
- References
- 0
- FWCI
- 14.26
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, Q., Jiao, L., Han, Y., Du, H., Peng, W., Huan, Q., Song, D., Si, Y., Wang, Y., & Yuan, H. (2011). CoS2 Hollow Spheres: Fabrication and Their Application in Lithium-Ion Batteries. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp111626a
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