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Rhombohedral Form of Li3V2(PO4)3 as a Cathode in Li-Ion Batteries
Abstract
Ion exchange from the monoclinic NASICON phase of Na3V2(PO4)3 results in the new lithiated form of Li3V2(PO4)3, with unit cell parameters a = 8.316(1) Å and c = 22.484(1) Å in the space group R3̄. It exhibits a reversible V3+/V4+ redox couple at an attractive average potential of ∼3.8V vs Li corresponding to the extraction of 2 Li in the voltage window 3.0−4.1 V (125 mA·h/g). Oxidation is characterized by a two-phase process with an equilibrium potential of 3.77 V, which results in an 8% contraction of the c axis of the original rhombohedral unit cell as a result of partial population of the Li sites along the c axis. This is supported by solid-state 7Li NMR data, which shows that the transformation is accompanied by conversion of the site in the R3̄ cell at 85 ppm to one Li site at 62 ppm in LiV2(PO4)3. At least 1.3Li can be reversibly reinserted into the framework on discharge.
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Cited by
Na 3 V 2 (PO 4 ) 3 @C core–shell nanocomposites for rechargeable sodium-ion batteries
Duan, W., Zhu, Z., Li, H., Hu, Z., Zhang, K., Cheng, F., & Chen, J. (2014) · J. Mater. Chem. A · doi:10.1039/c4ta00106k · Cited by 411
A Na3V2(PO4)3 cathode material for use in hybrid lithium ion batteries
Song, W., Ji, X., Pan, C., Zhu, Y., Chen, Q., & Banks, C. E. (2013) · Physical Chemistry Chemical Physics · doi:10.1039/c3cp52308j · Cited by 126
Qin, R., Wei, Y., Zhai, T., & Li, H. (2018) · Journal of Materials Chemistry A · doi:10.1039/c8ta01124a · Cited by 58
Jian, Z., Han, W., Liang, Y., Lan, Y., Fang, Z., Hu, Y.-S., & Yao, Y. (2014) · J. Mater. Chem. A · doi:10.1039/c4ta04630g · Cited by 49
Wang, Y., Yang, W., Zhang, X., He, W., Wei, C., Yi, X., Wang, Z., Cheng, Q., & Ma, J. (2019) · Journal of Alloys and Compounds · doi:10.1016/j.jallcom.2018.11.023 · Cited by 20
Metadata
- Authors
- Gaubicher, J., Wurm, C., Goward, G., Masquelier, C., & Nazar, L.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2000-11-01
- Volume
- 12
- Issue
- 11
- Pages
- 3240-3242
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2012748748
- Cited by
- 278
- References
- 0
- FWCI
- 6.93
- Type
- journal article
- Language
- en
- Open access
- closed
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- Gaubicher, J., Wurm, C., Goward, G., Masquelier, C., & Nazar, L. (2000). Rhombohedral Form of Li3V2(PO4)3 as a Cathode in Li-Ion Batteries. Chemistry of Materials. https://doi.org/10.1021/cm000345g
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