Prussian White Sodium Ion Cathode Material 145mAh/G Specific Capacity D50 0.8μM
Packaging:Plastic package
Color:Light gray-white powder, free of impurities, agglomeration, or large particles
SEM:3,000× magnification
D10:0.39 (μm)
D50:0.80 (μm)
Na Content (%):27±1%
Fe+Mn Content (%):55±1%
Specific Capacity (mAh/g):158
MOQ: 10g
Leading time: 5-7 working days
Prussian White Sodium-Ion Cathode Material 145mAh/g Specific Capacity D50 0.8μm
1. Applications
- Grid-Scale Storage: 4-hour discharge systems (cost <$100/kWh).
- EV Backup Power: Secondary battery systems for low-temperature operation.
- Consumer Electronics: Replacement for LiFePO₄ in low-cost devices.
2. Optimization Strategies
- Carbon Coating: Improves electronic conductivity (e.g., glucose-derived carbon layer).
- Vacuum Drying: Reduces lattice water to enhance cycling stability.
- Mn Substitution: NaₓFeMn[Fe(CN)₆] boosts voltage to 3.4 V (Mn²⁺/Mn³⁺ redox).
3. Technical Specifications & Test Data
| No. | Item | Requirement | Test Method | Result |
|---|---|---|---|---|
| 1 | Packaging | Sealed container | Visual inspection | Compliant |
| 2 | Appearance | Light gray-white powder, free of impurities, agglomeration, or large particles | Visual inspection | Compliant |
| 3 | D10 (μm) | 0.39 | Laser particle analyzer | Compliant |
| 4 | D50 (μm) | 0.80 | Laser particle analyzer | Compliant |
| 5 | D90 (μm) | 1.6 | Laser particle analyzer | Compliant |
| 6 | Tap Density (g/cm³) | 0.6 | Tap density tester | 0.8 |
| 7 | Specific Surface Area (m²/g) | 6.25 | BET nitrogen adsorption | 6.41 |
| 8 | Na Content (%) | 27±1% | ICP-OES | 27.7% |
| 9 | Fe+Mn Content (%) | 55±1% | ICP-OES | 55.2% |
| 11 | Specific Capacity (mAh/g) | 158 | Coin cell half-cell test | 145 |
| 12 | SEM | 3,000× magnification | Provided during R&D phase | Compliant |
4. Material Advantages
✅ Ultra-Low Cost: Iron/cyanide-based precursors reduce raw material expenses by ~60% vs. layered oxides.
✅ High Safety: Strong Fe-C≡N bonds suppress thermal runaway risks.
✅ Scalable Synthesis: Simple co-precipitation process (room temperature, aqueous solutions).