NFPP (Na₄Fe₃(PO₄)₂P₂O₇) Cathode Material for Sodium‑Ion Batteries
1. Product Overview
NFPP (Na₄Fe₃(PO₄)₂P₂O₇) is a high‑stability polyanionic cathode material designed for next‑generation sodium‑ion batteries. Its robust Fe‑based framework and dual‑phosphate structure provide excellent thermal stability, fast Na⁺ transport, and long cycle life, making it ideal for both research and industrial energy‑storage applications.
2. Key Features
- High structural stability due to polyanionic framework
- Theoretical capacity: 129 mAh/g
- Excellent thermal and chemical stability
- Fast Na⁺ diffusion and stable voltage platform
- Environmentally friendly Fe‑based composition
- Suitable for long‑cycle ESS and R&D applications
3. Electrochemical Performance
NFPP demonstrates stable cycling behavior and high Coulombic efficiency under various operating conditions. Its polyanionic structure minimizes volume change during Na⁺ insertion/extraction, ensuring long‑term durability and consistent performance.
4. Applications
- Sodium‑ion battery R&D
- Material evaluation and electrochemical testing
- Energy‑storage systems (ESS)
- Industrial sodium‑ion battery development
- Academic and laboratory research projects
5. Technical Advantages
- High safety: Excellent thermal stability and non‑oxygen‑release structure
- Long cycle life: Minimal structural degradation during cycling
- Cost‑effective: Iron‑based chemistry with abundant raw materials
- Stable voltage platform suitable for ESS and stationary storage
6. Specifications (Typical Values)
| Parameter | Value |
|---|---|
| Chemical Formula | Na₄Fe₃(PO₄)₂P₂O₇ |
| Purity | ≥ 99% |
| Crystal Structure | Polyanionic |
| Theoretical Capacity | 129 mAh/g |
| Particle Size (D50) | Customizable |
| Moisture | < 0.1% |
| Appearance | Fine powder |
7. Packaging & Storage
NFPP powder is vacuum‑sealed and moisture‑protected. Store in a dry environment at room temperature. Avoid exposure to humidity to maintain optimal electrochemical performance.
To support your sodium‑ion battery research, we also provide a full range of compatible cathode and anode materials:
- NFM (NaFeMnO₂) Sodium Cathode – High‑capacity layered oxide material
- Prussian Blue / PB Cathode – Cost‑effective cathode for large‑scale ESS
- Hard Carbon Anode – High‑performance anode for sodium‑ion batteries
- Sodium Electrolytes & Additives – Optimized for SIB cycling stability
