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Hierarchical Porous Nanosheets Constructed by Graphene‐Coated, Interconnected TiO2 Nanoparticles for Ultrafast Sodium Storage
Abstract
Sodium‐ion batteries (SIBs) are considered promising next‐generation energy storage devices. However, a lack of appropriate high‐performance anode materials has prevented further improvements. Here, a hierarchical porous hybrid nanosheet composed of interconnected uniform TiO 2 nanoparticles and nitrogen‐doped graphene layer networks (TiO 2@NFG HPHNSs) that are synthesized using dual‐functional C 3 N 4 nanosheets as both the self‐sacrificing template and hybrid carbon source is reported. These HPHNSs deliver high reversible capacities of 146 mA h g−1 at 5 C for 8000 cycles, 129 mA h g−1 at 10 C for 20 000 cycles, and 116 mA h g−1 at 20 C for 10 000 cycles, as well as an ultrahigh rate capability up to 60 C with a capacity of 101 mA h g−1. These results demonstrate the longest cyclabilities and best rate capability ever reported for TiO 2‐based anode materials for SIBs. The unprecedented sodium storage performance of the TiO 2@NFG HPHNSs is due to their unique composition and hierarchical porous 2D structure.
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Cited by
He, F., Meng, A., Cheng, B., Ho, W., & Yu, J. (2020) · Chinese Journal of Catalysis · doi:10.1016/s1872-2067(19)63382-6 · Cited by 615
Tailoring Rod‐Like FeSe2 Coated with Nitrogen‐Doped Carbon for High‐Performance Sodium Storage
Ge, P., Hou, H., Li, S., Yang, L., & Ji, X. (2018) · Advanced Functional Materials · doi:10.1002/adfm.201801765 · Cited by 373
Zheng, Z., Wu, H.-H., Liu, H., Zhang, Q., He, X., Yu, S., Petrova, V., Feng, J., Kostecki, R., Liu, P., et al. (2020) · ACS Nano · doi:10.1021/acsnano.9b08575 · Cited by 334
Self-citationWang, M., Peng, A., Jiang, J., Zeng, M., Yang, Z., Chen, J., Guo, B., Ma, Z., Yu, B., Zhang, Y., et al. (2022) · Chemical Engineering Journal · doi:10.1016/j.cej.2022.134567 · Cited by 36
Metadata
- Authors
- Li, B., Xi, B., Feng, Z., Lin, Y., Liu, J., Feng, J., Qian, Y., & Xiong, S.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2018-01-15
- Volume
- 30
- Issue
- 10
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2782718094
- Cited by
- 302
- References
- 0
- FWCI
- 17.88
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, B., Xi, B., Feng, Z., Lin, Y., Liu, J., Feng, J., Qian, Y., & Xiong, S. (2018). Hierarchical Porous Nanosheets Constructed by Graphene‐Coated, Interconnected TiO2 Nanoparticles for Ultrafast Sodium Storage. Advanced Materials. https://doi.org/10.1002/adma.201705788
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