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Mapping of Transition Metal Redox Energies in Phosphates with NASICON Structure by Lithium Intercalation
Abstract
The position of several transition metal redox energies with respect to the Fermi energy of lithium in phosphates with sodium super ionic conductor (NASICON) framework were determined electrochemically upon lithium intercalation. The materials studied were Li 2 NaV 2 ( PO 4 ) 3 , LiNa 2 FeV ( PO 4 ) 3 , TiNb ( PO 4 ) 3 , LiFeNb ( PO 4 ) 3 , and Li 2 FeTi ( PO 4 ) 3 all having NASICON framework. The positions of the redox couples were found centered at the following energies: V 4 + / V 3 + at 3.8 eV, Fe 3 + / Fe 2 + at 2.8 eV, Ti 4 + / Ti 3 + at 2.5 eV, Nb 5 + / Nb 4 + at 2.2 eV, Nb 4 + / Nb 3 + at 1.8 eV, and V 3 + / V 2 + at 1.7 eV below the Fermi energy of lithium. Several of these redox couples were found to overlap each other. Some of these materials look promising as positive electrode materials for Li + ‐ion batteries.
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Cited by
Kim, S., Seo, D., Ma, X., Ceder, G., & Kang, K. (2012) · Advanced Energy Materials · doi:10.1002/aenm.201200026 · Cited by 3,370
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Lu, Y., Wang, L., Cheng, J., & Goodenough, J. B. (2012) · Chemical Communications · doi:10.1039/c2cc31777j · Cited by 1,162
Self-citationA 3.8-V earth-abundant sodium battery electrode
Barpanda, P., Oyama, G., Nishimura, S.-I., Chung, S.-C., & Yamada, A. (2014) · Nature Communications · doi:10.1038/ncomms5358 · Cited by 873
Fisher, C. A. J., Hart Prieto, V. M., & Islam, M. S. (2008) · Chemistry of Materials · doi:10.1021/cm801262x · Cited by 549
LiMnPO4 – A next generation cathode material for lithium-ion batteries
Aravindan, V., Gnanaraj, J., Lee, Y.-S., & Madhavi, S. (2013) · Journal of Materials Chemistry A · doi:10.1039/c2ta01393b · Cited by 466
Metadata
- Authors
- Padhi, A. K., Nanjundaswamy, K. S., Masquelier, C., & Goodenough, J. B.
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 1997-08-01
- Volume
- 144
- Issue
- 8
- Pages
- 2581-2586
- ISSN
- 0013-4651 (ISSN-L)
- 1945-7111
- OpenAlex
- W2072430054
- Cited by
- 361
- References
- 0
- FWCI
- 2.51
- Type
- journal article
- Language
- en
- Open access
- closed
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- Padhi, A. K., Nanjundaswamy, K. S., Masquelier, C., & Goodenough, J. B. (1997). Mapping of Transition Metal Redox Energies in Phosphates with NASICON Structure by Lithium Intercalation. Journal of The Electrochemical Society. https://doi.org/10.1149/1.1837868
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