Sodium Vanadate (NaV3O8, NVO) Powder for Aqueous Zn-Ion Battery Cathode, 5-20 g/bottle, CAZIBCNVO
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Sodium vanadate (NaV3O8, NVO) powder is an advanced, high-capacity intercalation cathode material for aqueous zinc-ion batteries (AZIBs). By incorporating sodium ions into the vanadium oxide framework, NVO forms a stable, tunneled or layered crystal structure that significantly outperforms traditional, unpillared vanadium oxides in both capacity and long-term cycling stability.
The key structural and electrochemical advantages of the NVO powder for aqueous Zn-Ion battery are: (1) Pillared Interlayer Architecture: The larger sodium ions (Na+) act as permanent "pillars" or structural props within the interlayer galleries of the crystal lattice. This expanded interlayer spacing lowers the electrostatic energy barrier for the insertion and extraction of divalent zinc ions (Zn^{2+}), facilitating faster solid-state diffusion. (2) Multi-Electron Redox Chemistry: During discharge, Zn^{2+} ions insert into the NVO framework, accompanied by the reduction of vanadium ions across multiple valence states (V^{5+} / V^{4+} / V^{3+}). This multi-electron transfer delivers a remarkably high specific capacity (often exceeding 300-400 mAh/g depending on the voltage window). (3) Dual-Ion Insertion (Sodium and Zinc Interplay): Depending on the electrolyte composition and operating voltage, NVO systems can also involve reversible co-intercalation or exchange dynamics involving Na^{+} and protons (H^+), which help buffer structural stress and maintain charge neutrality.
| Part Number |
CAZIBCNVO (C-AZIB-C-NVO) |
| CAS |
12026-08-3 |
| Appearance |
orange to dark red |
| Molar Mass |
303.81 g/mol |
| Density |
~3.17 g/mL at 25 °C (lit.) |
| XRD |
 |
| Package Grade |
5 g, 10 g, and 20 g/bottle |
References:
- A. Nicoll, et al. Understanding the Benefit of Hybrid Electrolytes towards Vanadium Dissolution Suppression and Improved Capacity Retention in Zinc-Aqueous Batteries Using NaV3O8 Cathodes, Batteries & Supercaps, 2025, 8, e202500036
- J. H. Jo, et al. New Insight on Open-Structured Sodium Vanadium Oxide as High-Capacity and Long Life Cathode for Zn–Ion Storage: Structure, Electrochemistry, and First-Principles Calculation, Adv. Energy Mater., 2020, 10, 2001595