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Tailoring Porosity in Carbon Nanospheres for Lithium–Sulfur Battery Cathodes
Abstract
Porous hollow carbon spheres with different tailored pore structures have been designed as conducting frameworks for lithium-sulfur battery cathode materials that exhibit stable cycling capacity. By deliberately creating shell porosity and utilizing the interior void volume of the carbon spheres, sufficient space for sulfur storage as well as electrolyte pathways is guaranteed. The effect of different approaches to develop shell porosity is examined and compared in this study. The most highly optimized sulfur-porous carbon nanosphere composite, created using pore-formers to tailor shell porosity, exhibits excellent cycling performance and rate capability. Sulfur is primarily confined in 4-5 nm mesopores in the carbon shell and inner lining of the shells, which is beneficial for enhancing charge transfer and accommodating volume expansion of sulfur during redox cycling. Little capacity degradation (∼0.1% /cycle) is observed over 100 cycles for the optimized material.
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Cites
Li-O2 and Li-S batteries with high energy storage
Bruce, P. G., Freunberger, S. A., Hardwick, L. J., & Tarascon, J.-M. (2012) · Nature Materials · doi:10.1038/nmat3191 · Cited by 9,479
Lithium Batteries: Status, Prospects and Future
Scrosati, B., & Garche, J. (2010) · Journal of Power Sources · doi:10.1016/j.jpowsour.2009.11.048 · Cited by 5,153
Cited by
Synthesis, Properties, and Applications of Hollow Micro-/Nanostructures
Wang, X., Feng, J., Bai, Y., Zhang, Q., & Yin, Y. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00731 · Cited by 1,456
Molecular-based design and emerging applications of nanoporous carbon spheres
Liu, J., Wickramaratne, N. P., Qiao, S. Z., & Jaroniec, M. (2015) · Nature Materials · doi:10.1038/nmat4317 · Cited by 954
Pei, F., An, T., Zang, J., Zhao, X., Fang, X., Zheng, M., Dong, Q., & Zheng, N. (2016) · Advanced Energy Materials · doi:10.1002/aenm.201502539 · Cited by 555
Ng, S., Lau, M. Y. L., & Ong, W. (2021) · Advanced Materials · doi:10.1002/adma.202008654 · Cited by 404
Zhou, W., Xiao, X., Cai, M., & Yang, L. (2014) · Nano Letters · doi:10.1021/nl502238b · Cited by 382
Metadata
- Authors
- He, G., Evers, S., Liang, X., Cuisinier, M., Garsuch, A., & Nazar, L. F.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-11-14
- Volume
- 7
- Issue
- 12
- Pages
- 10920-10930
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2327001674
- Cited by
- 475
- References
- 2
- FWCI
- 28.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- He, G., Evers, S., Liang, X., Cuisinier, M., Garsuch, A., & Nazar, L. F. (2013). Tailoring Porosity in Carbon Nanospheres for Lithium–Sulfur Battery Cathodes. ACS Nano. https://doi.org/10.1021/nn404439r
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