Overall
- Language
- English
- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received October 2, 2024
Revised December 14, 2024
Accepted January 5, 2025
Available online January 25, 2026
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Doping Engineering of Sodium Vanadium Fluorophosphates Cathodes for Sodium‑Ion Batteries
https://doi.org/10.1007/s11814-025-00388-2
Abstract
Sodium-ion batteries offer a promising alternative to lithium-ion batteries due to the abundance and low cost of sodium resources. Na3V2(PO4)2F3−yOy (NVPFOy) stands out as a cathode material with high average operating potential (~ 3.9 V vsNa+/Na), fast Na⁺ transport, and strong structural stability (minimal volumetric strain of ~ 2%). This review addresses the structural characteristics and charge storage mechanisms of NVPFOy, focusing on charge compensation and Na⁺/vacancy ordering. It also discusses recent advances in lattice regulation and doping strategies to enhance electrochemical properties.
Finally, we highlight challenges and future directions for practical applications, emphasizing the correlation between crystal
structure and performance.
