Sodium Ferric Phosphate Pyrophosphate

Sodium ferric phosphate pyrophosphate is considered to be the most attractive member of the iron-based polyanionic cathodes family because it has an open skeleton and large channels, with minimal volume change during charge and discharge. It is regarded as one of the most suitable candidate materials for sodium-ion battery cathodes, and is usually used in energy storage, electric vehicles, power tools and other scenarios. Alfa Chemistry offers high-quality sodium ferric phosphate pyrophosphate cathode material, please contact us for pricing and more information on this product.

Product Name: Sodium Ferric Phosphate Pyrophosphate

Molecular Weight: Varies by composition

Basic Parameters

Items	Sodium Ferric Phosphate Pyrophosphate
Catalog	ACSEM-BM-C020
Linear Formula	Na_4+xFe_3-y(PO₄)₂P₂O₇, -0.3≤x≤0.3, 0≤y≤0.3
Appearance	Black powder
Particle Size	D50: 4-6 µm
Tap Density	≥1.1 g/cm³
Specific Surface Area	8-11 m²/g
Carbon Content	0.5-2%
Carbon Coating Thickness from TEM	3-5 nm
Discharge Capacity at 0.1C (2-4V)	≥100 mAh/g
First Cycle Efficiency	≥87%

Properties

Ion conductivity. Sodium ferric phosphate pyrophosphate exhibits good ionic conductivity, which is essential for fast charge and discharge rates. This is achieved through its well-connected three-dimensional channels that facilitate sodium ion movement.
Cycle stability. Sodium ferric phosphate pyrophosphate has shown promising cycle stability, maintaining capacity retention over multiple charge-discharge cycles. This is indicative of robust structural integrity and effective electrode-electrolyte interactions.

High capacity. Sodium ferric phosphate pyrophosphate has a high sodium ion insertion and deinsertion capacity and can store more charge.
Thermal stability. Sodium ferric phosphate pyrophosphate shows good thermal stability, which is essential for safety in large batteries, especially under high-temperature operation conditions.
Cost. Compared with traditional lithium-ion battery cathode materials, the manufacturing cost of sodium ferric phosphate pyrophosphate is relatively low. This is mainly due to its simple preparation process and abundant raw material resources.

Unlock the power of energy efficiency with our advanced Sodium Ferric Phosphate Pyrophosphate cathode material!

Sodium Ferric Phosphate Pyrophosphate

Basic Parameters

Properties

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