The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Graphene-Based Three-Dimensional Hierarchical Sandwich-type Architecture for High-Performance Li/S Batteries
Abstract
A multiwalled carbon nanotube/sulfur (MWCNT@S) composite with core-shell structure was successfully embedded into the interlay galleries of graphene sheets (GS) through a facile two-step assembly process. Scanning and transmission electron microscopy images reveal a 3D hierarchical sandwich-type architecture of the composite GS-MWCNT@S. The thickness of the S layer on the MWCNTs is ~20 nm. Raman spectroscopy, X-ray diffraction, thermogravimetric analysis, and energy-dispersive X-ray analysis confirm that the sulfur in the composite is highly crystalline with a mass loading up to 70% of the composite. This composite is evaluated as a cathode material for Li/S batteries. The GS-MWCNT@S composite exhibits a high initial capacity of 1396 mAh/g at a current density of 0.2C (1C = 1672 mA/g), corresponding to 83% usage of the sulfur active material. Much improved cycling stability and rate capability are achieved for the GS-MWCNT@S composite cathode compared with the composite lacking GS or MWCNT. The superior electrochemical performance of the GS-MWCNT@S composite is mainly attributed to the synergistic effects of GS and MWCNTs, which provide a 3D conductive network for electron transfer, open channels for ion diffusion, strong confinement of soluble polysulfides, and effective buffer for volume expansion of the S cathode during discharge.
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Cites
Armand, M., & Tarascon, J.-M. (2008) · Nature · doi:10.1038/451652a · Cited by 19,612
Graphene: Status and Prospects
Geim, A. K. (2009) · Science · doi:10.1126/science.1158877 · Cited by 13,942
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Cited by
Wang, Z., Dong, Y., Li, H., Zhao, Z., Bin Wu, H., Hao, C., Liu, S., Qiu, J., & Lou, X. W. (2014) · Nature Communications · doi:10.1038/ncomms6002 · Cited by 1,059
Graphene and Graphene‐Based Materials for Energy Storage Applications
Zhu, J., Yang, D., Yin, Z., Yan, Q., & Zhang, H. (2014) · Small · doi:10.1002/smll.201303202 · Cited by 825
Carbon materials for Li–S batteries: Functional evolution and performance improvement
Liang, J., Sun, Z.-H., Li, F., & Cheng, H.-M. (2016) · Energy Storage Materials · doi:10.1016/j.ensm.2015.09.007 · Cited by 593
Zhou, W., Xiao, X., Cai, M., & Yang, L. (2014) · Nano Letters · doi:10.1021/nl502238b · Cited by 382
Design Considerations for Unconventional Electrochemical Energy Storage Architectures
Vlad, A., Singh, N., Galande, C., & Ajayan, P. M. (2015) · Advanced Energy Materials · doi:10.1002/aenm.201402115 · Cited by 346
Metadata
- Authors
- Chen, R., Zhao, T., Lu, J., Wu, F., Li, L., Chen, J., Tan, G., Ye, Y., & Amine, K.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-09-13
- Volume
- 13
- Issue
- 10
- Pages
- 4642-4649
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2009640207
- Cited by
- 401
- References
- 3
- FWCI
- 33.35
- Type
- journal article
- Language
- en
- Open access
- closed
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- Chen, R., Zhao, T., Lu, J., Wu, F., Li, L., Chen, J., Tan, G., Ye, Y., & Amine, K. (2013). Graphene-Based Three-Dimensional Hierarchical Sandwich-type Architecture for High-Performance Li/S Batteries. Nano Letters. https://doi.org/10.1021/nl4016683
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