Lithium Iron Phosphate Powder D-3 LFP LiFePO4 Lithium Ion Battery Positive Electrode

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Model:D-3wt%
 ​​Li content:4.4 ± 0.5wt%
 Fe content​​​:34.2 ± 1.0wt%
 P content​:19.5 ± 1.0wt%
 C content​​​​:≤0.25 Ω·0.90 ~ 1.40wt%
 ​​​​​​​​​​Magnetic impurities：≤ 120.0pcs/kg
 ​​​​Particle size distribution (D10): ≥ 0.30μm
 ​​Particle size distribution (D50)​​​: 0.60 ~ 1.50μm
 MOQ: 20g
 Leading time: 5-8 working days

SKU: LFP Category:

Lithium Iron Phosphate Powder (D-3) Positive Electrode Material LFP/LiFePO4 Lithium Ion Battery Positive Electrode Material

1. Product Overview​​

  • ​​Name​​: Lithium Iron Phosphate (D-3)
  • ​​Brand​​: XWELL
  • ​​Standard​​: International
  • ​​Appearance​​: Gray-black powder
  • ​​Packaging​​: Bottle + vacuum-sealed aluminum-plastic bags

​​2. Physicochemical Properties​

No. Test Item Unit Specification Measured Result Inspection Method / Instrument
1 Li content wt% 4.4 ± 0.5 4.43 ICP
2 Fe content wt% 34.2 ± 1.0 35.29 ICP
3 P content wt% 19.5 ± 1.0 19.63 ICP
4 C content wt% 0.90 ~ 1.40 1.03 ICP
5 Magnetic impurities pcs/kg ≤ 120.0 30.10 –
6 Particle size distribution (D10) μm ≥ 0.30 0.44 Laser particle size analyzer
7 Particle size distribution (D50) μm 0.60 ~ 1.50 0.99 Laser particle size analyzer
8 Particle size distribution (D90) μm ≤ 4.50 2.41 Laser particle size analyzer
9 BET surface area m²/g ≥ 8.0 10.58 Full-automatic specific surface area & porosity analyzer
10 Tap density (TD) g/cm³ ≥ 0.70 1.15 Tap density measuring instrument
11 pH value – 9.6 ± 0.6 9.77 pH meter
12 Moisture content ppm ≤ 1000 254.0 Moisture analyzer
13 Initial discharge capacity mAh/g ≥ 150.0 161.1 CR2032 coin cell (0.1C, 4.3–3.0V)
14 Initial Coulombic efficiency % ≥ 93.0 98.1 CR2032 coin cell (0.1C, 4.3–3.0V)

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​Test Methods​​: ICP, laser particle size analyzer, BET surface area analyzer.

​​3. Electrochemical Performance​​

  • ​​Charge-Discharge Curves​​:
    • Stable voltage plateau (3.2–3.4 V), discharge capacity of ​​161.1 mAh/g​​ at 0.1C.
    • Capacity and voltage plateau slightly decrease at higher rates (0.1C → 3.0C), but performance remains robust.
  • ​​Cycling Performance​​:
    • Capacity retention >90% after ​​220 cycles​​, demonstrating slow decay.
  • ​​Rate Capability​​:
    • ~80% capacity retention at ​​3.0C​​, indicating excellent high-rate adaptability.

​​4. Usage & Storage​​

  • ​​Packaging​​: Vacuum-sealed aluminum film + outer plastic bag.
  • ​​Storage​​: Dry, room temperature, sealed.
  • ​​Testing Conditions​​:
    • Electrolyte: KLD-LFP01 (LFP-specific).
    • Electrode drying: 85°C for 4 hours.

​​5. Advantages​​

High Consistency​​: Strict control of composition and particle size.
​Long Lifespan​​: >90% capacity retention after 220 cycles.
Broad Rate Range​​: Stable performance from 0.1C to 3.0C.
Safety​​: Low magnetic impurities (30.1 pcs/kg), vacuum packaging.