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Facile synthesis of hierarchically porous Li4Ti5O12 microspheres for high rate lithium ion batteries
Abstract
A novel approach has been developed to synthesize hierarchically porous Li4Ti5O12 microspheres assembled by well-crystalline nanoparticles. The fabrication process is very simple, involving only hydrothermal treatment of commercial anatase TiO2 powder in LiOH solution and a following calcination procedure without employing any surfactants or templates. Field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and nitrogen adsorption/desorption analysis were used to characterize their morphologies and structures. Such Li4Ti5O12 nano/microspherical superstructures, with sizes of ca. 4 μm in diameter, exhibits rich hierarchical pores and a specific surface area of 57.5 m2 g−1. A possible growth mechanism of the nano/microspherical superstructure is further discussed. The calcination temperature has a great effect on the crystal structure and electrochemical properties of the materials. The hierarchically porous Li4Ti5O12 microspheres annealed at 700 °C have the perfect crystallization and optimal particle size, which can deliver good coulombic efficiency, ultrahigh rate capability at high rates, and excellent capacity retention over 200 cycles.
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Cited by
Review on recent progress of nanostructured anode materials for Li-ion batteries
Goriparti, S., Miele, E., De Angelis, F., Di Fabrizio, E., Proietti Zaccaria, R., & Capiglia, C. (2014) · Journal of Power Sources · doi:10.1016/j.jpowsour.2013.11.103 · Cited by 2,092
Sun, M.-H., Huang, S.-Z., Chen, L.-H., Li, Y., Yang, X.-Y., Yuan, Z.-Y., & Su, B.-L. (2016) · Chemical Society Reviews · doi:10.1039/c6cs00135a · Cited by 1,454
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Teng, Y., Zhao, H., Zhang, Z., Li, Z., Xia, Q., Zhang, Y., Zhao, L., Du, X., Du, Z., Lv, P., et al. (2016) · ACS Nano · doi:10.1021/acsnano.6b03683 · Cited by 545
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Liu, J., & Liu, X. (2012) · Advanced Materials · doi:10.1002/adma.201104993 · Cited by 543
Extraction of lithium with functionalized lithium ion-sieves
Xu, X., Chen, Y., Wan, P., Gasem, K., Wang, K., He, T., Adidharma, H., & Fan, M. (2016) · Progress in Materials Science · doi:10.1016/j.pmatsci.2016.09.004 · Cited by 536
Metadata
- Authors
- Shen, L., Yuan, C., Luo, H., Zhang, X., Xu, K., & Xia, Y.
- Venue
- Journal of Materials Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2010
- Volume
- 20
- Issue
- 33
- Pages
- 6998
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W2158232998
- Cited by
- 274
- References
- 0
- FWCI
- 22.43
- Type
- journal article
- Language
- en
- Open access
- closed
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- Shen, L., Yuan, C., Luo, H., Zhang, X., Xu, K., & Xia, Y. (2010). Facile synthesis of hierarchically porous Li4Ti5O12 microspheres for high rate lithium ion batteries. Journal of Materials Chemistry. https://doi.org/10.1039/c0jm00348d
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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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