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Sodium Vanadium Phosphate

Sodium Vanadium Phosphate Structure

What is Sodium Vanadium Phosphate?

Sodium Vanadium Phosphate is a chemical compound composed of sodium (Na), vanadium (V), and phosphate (PO4) ions, having the chemical formula Na3V2(PO4)3. It is a compound of interest in the field of energy storage, particularly in the development of sodium-ion batteries. It can be used as cathode material in these batteries due to its ability to reversibly store and release sodium ions during charge and discharge cycles.

The product is currently under development. Samples are available from R&D.
Name of Product Sodium Vanadium Phosphate
Molecular Formula Na3V2(PO4)3
Appearance Black Solid Powder
Density 0.95 g/cm3

Mechanism of action

In a sodium-ion battery, sodium vanadium phosphate (Na3V2(PO4)3) operates by absorbing sodium ions during charging, storing electrical energy. When discharging, it releases these sodium ions while changing the oxidation state of vanadium ions (V5+), thereby delivering the stored electrical energy. This process of sodium ion insertion and release within the cathode enables the battery to function.


Sodium vanadium phosphate (Na3V2(PO4)3) has several potential and realized uses, including:

  • It is employed as a cathode material in sodium-ion batteries owing to its ability to store and release sodium ions.
  • Sodium-ion batteries using this material can be used in various applications, such as electric vehicles and renewable energy systems, to store and deliver electrical energy.
  • It may find applications in electrochromic devices like in smart windows and displays, which can change their optical properties, such as tint and transparency, in response to an applied voltage.
  • Researchers use sodium vanadium phosphate in laboratory and research settings to study and develop energy storage technologies and explore the behavior of materials in electrochemical processes.
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