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Colloidal Crystal Templating to Produce Hierarchically Porous LiFePO4 Electrode Materials for High Power Lithium Ion Batteries
Abstract
Porous LiFePO 4 has been prepared via a solution-based templating technique. Beads of poly(methyl methacrylate) were synthesized with diameters of 100, 140, and 270 nm and used to form colloidal crystal templates to produce LiFePO 4, which featured pores spanning from 10 to 100 nm. The use of colloidal crystal templates allowed an examination of the effects of pore size on the electrochemical properties. The templated LiFePO 4 samples were fully characterized using SEM, TEM, XRD, Rietveld analysis, and nitrogen sorption prior to electrochemical testing. The materials with the largest pores, around 100 nm diameter, gave the best discharge capacities, with 160 mA h g −1 at 0.1 C and 115 mA h g −1 at 5 C being achieved. This compares with a theoretical discharge capacity of 170 mA h g −1 .
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Cited by
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
Porous electrode materials for lithium-ion batteries–how to prepare them and what makes them special
Vu, A., Qian, Y., & Stein, A. (2012) · Advanced Energy Materials · doi:10.1002/aenm.201200320 · Cited by 719
Mesoporous materials and electrochemistry
Walcarius, A. (2013) · Chemical Society Reviews · doi:10.1039/c2cs35322a · Cited by 623
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
Armstrong, E., & O'Dwyer, C. (2015) · Journal of Materials Chemistry C · doi:10.1039/c5tc01083g · Cited by 342
Metadata
- Authors
- Doherty, C. M., Caruso, R. A., Smarsly, B. M., & Drummond, C. J.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-06-02
- Volume
- 21
- Issue
- 13
- Pages
- 2895-2903
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2062776578
- Cited by
- 174
- References
- 0
- FWCI
- 16.90
- Type
- journal article
- Language
- en
- Open access
- closed
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- Doherty, C. M., Caruso, R. A., Smarsly, B. M., & Drummond, C. J. (2009). Colloidal Crystal Templating to Produce Hierarchically Porous LiFePO4 Electrode Materials for High Power Lithium Ion Batteries. Chemistry of Materials. https://doi.org/10.1021/cm900698p
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