Sodium Ferric Pyrophosphate Phosphate (Na₄Fe₃(PO₄)₂P₂O₇, NFPP) is an advanced cathode material for sodium-ion battery systems. Featuring a stable mixed phosphate–pyrophosphate framework, NFPP offers excellent thermal stability, high structural integrity, and reliable sodium-ion storage performance.
Compared with conventional iron phosphate materials, NFPP combines the advantages of phosphate and pyrophosphate chemistries, delivering improved energy density, long cycle life, and enhanced safety. It is widely used in sodium-ion batteries, hybrid energy storage systems, and large-scale stationary energy storage applications.
We provide high-purity NFPP powders with customizable particle size, morphology, tap density, carbon coating, and conductivity enhancement to meet different battery manufacturing and performance requirements. Contact us to learn more about our customization solutions.
| Property | Typical Value |
| Chemical Formula | Na₄Fe₃(PO₄)₂P₂O₇ |
| Abbreviation | NFPP |
| Appearance | Gray to black powder |
| Crystal Structure | Mixed phosphate–pyrophosphate framework |
| Main Redox Couple | Fe²⁺ / Fe³⁺ |
| Tap Density | Customizable |
| Particle Size | Customizable |
| Surface Modification | Carbon coating / Conductivity enhancement available |
To meet different battery process requirements, we support:
Sodium-Ion Battery Cathode Materials: Suitable for high-safety sodium-ion batteries with improved energy density and long cycle life.
Grid Energy Storage Systems: Applied in renewable energy storage, peak shaving, and load balancing systems.
Industrial and Stationary Storage Batteries: Used in backup power systems, telecom base stations, and distributed energy storage.
Hybrid Energy Storage Devices: Suitable for sodium-ion capacitors and hybrid battery systems requiring balanced power and energy performance.
Q1: What is NFPP?
A1: Na₄Fe₃(PO₄)₂P₂O₇ is a mixed phosphate–pyrophosphate sodium-ion battery cathode material featuring a stable polyanion framework and multiple iron redox centers.
Q2: What is NFPP mainly used for?
A2: NFPP is mainly used in sodium-ion battery cathodes, large-scale energy storage, renewable energy systems, backup power, and hybrid capacitor-battery devices.
Q3: Can It be customized?
A3: Yes. We offer customized particle size, carbon coating, morphology, tap density, and conductivity enhancement according to specific battery design requirements.
Q4: What are the advantages of NFPP?
A: It offers excellent safety, stable crystal structure, long cycle life, and higher energy density than many conventional iron-based cathode materials.
Each batch includes:
Certificate of Analysis (COA)
Technical Data Sheet (TDS)
Material Safety Data Sheet (MSDS)
Size Inspection Report
Optional third-party testing reports
Our NFPP materials are specifically developed for next-generation sodium-ion battery applications. With advanced synthesis technology, strict quality control, and flexible customization capability, we provide highly consistent products with excellent electrochemical performance.
We help customers optimize battery safety, cycle life, conductivity, and overall cost-effectiveness through tailored material solutions and reliable technical support.
Molecular Formula: Na₄Fe₃(PO₄)₂P₂O₇
Appearance: Gray black
Density: 3.3-3.5 g/cm3
Crystal Structure: Orthorhombic, space group Pn2₁a
Inner packaging: Vacuum-sealed bags or bottles to prevent contamination and moisture.
Outer packaging: Appropriate cartons or drums selected based on size and weight.
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