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Sn@CNT Nanostructures Rooted in Graphene with High and Fast Li-Storage Capacities
Abstract
Development of materials with carefully crafted nanostructures has been an important strategy for the next-generation lithium-ion batteries to achieve higher capacity, longer cycle life, and better rate capability. Graphene-based and Sn-based anode materials are promising anodes with higher capacities than graphite; however, most of them exhibit fast capacity fading at prolonged cycling and poor rate capability. This paper reports a hierarchical Sn@CNT nanostructure rooted in graphene, which exhibits larger than theoretical reversible capacities of 1160-982 mAh/g in 100 cycles at 100 mA/g and excellent rate capability (828 mAh/g at 1000 mA/g and 594 mAh/g at 5000 mA/g). The excellent electrochemical performances compared to graphene/Sn-based anodes have been attributed to the efficient prevention of graphene agglomeration by Sn@CNT decoration and the increased electrochemical activities of Sn by CNT shell protection and GNS support.
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Cited by
25th Anniversary Article: Hybrid Nanostructures Based on Two‐Dimensional Nanomaterials
Huang, X., Tan, C., Yin, Z., & Zhang, H. (2014) · Advanced Materials · doi:10.1002/adma.201304964 · Cited by 632
Seng, K. H., Park, M.-H., Guo, Z. P., Liu, H. K., & Cho, J. (2013) · Nano Letters · doi:10.1021/nl304716e · Cited by 279
Metadata
- Authors
- Zou, Y., & Wang, Y.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-10-06
- Volume
- 5
- Issue
- 10
- Pages
- 8108-8114
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2319331572
- Cited by
- 241
- References
- 0
- FWCI
- 21.84
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zou, Y., & Wang, Y. (2011). Sn@CNT Nanostructures Rooted in Graphene with High and Fast Li-Storage Capacities. ACS Nano. https://doi.org/10.1021/nn2027159
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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