LiFePO4 LFP Lithium Iron Phosphate Cathode Material P198-S20 with 145 mAh/g Capacity and 2.45-2.55 g/cm³ Density
Price:
50-100000USD/Negotiable
MOQ:
1kg
Delivery Time:
5-8 work days
Brand:
XWELL
Product Description
LiFePO4 LFP Lithium Iron Phosphate Cathode Material Battery Powder
P198-S20 is a high-performance lithium iron phosphate (LFP) cathode material engineered for lithium-ion batteries. This advanced material delivers enhanced ion conductivity, superior capacity utilization, and exceptional thermal stability, making it ideal for applications requiring high safety standards, extended cycle life, and cost-effective performance.
Key Product Characteristics
- Enhanced Ion Conductivity: Special doping technology significantly improves ion conductivity, achieving specific capacity ≥145 mAh/g at 1C discharge rate with typical values of 145-147 mAh/g
- Optimized Particle Blending: Combination of different particle sizes ensures optimal packing density with tap density of 2.45-2.55 g/cm³
- Superior Processability: Carbon source optimization reduces flocculent carbon, controlling specific surface area to 11.0-12.0 m²/g for improved slurry preparation
- High-Temperature Performance: Dense carbon layer coating and larger particle selection minimize electrolyte side reactions, enhancing high-temperature cycling stability
Physical and Chemical Specifications
| Property | Test Item | Unit | Standard | Typical Value |
|---|---|---|---|---|
| Particle Size Distribution | D10 | μm | ≥0.25 | 0.39 |
| Particle Size Distribution | D50 | μm | 1.0±0.5 | 1.08 |
| Particle Size Distribution | D90 | μm | <10 | 4.24 |
| Carbon Content | Carbon Content | % | 1.50±0.2 | 1.48 |
| Specific Surface Area | Specific Surface Area | m²/g | 11.5±2.0 | 11.29 |
| Tap Density | Tap Density | g/cm³ | 0.8±0.2 | 0.66 |
| Moisture | Moisture | ppm | ≤1000 | 764 |
| Electrochemical | 0.1C Specific Capacity (2.5-3.7V) | mAh/g | ≥154 | 159.1 |
| Electrochemical | 0.1C Initial Efficiency (2.5-3.7V) | % | ≥95 | 97.82 |
Battery Application Parameters
18650 Cylindrical Cell Design
| Material | Design Specific Capacity (mAh/g) | Surface Density (g/m²) | Compaction (g/cm³) | Negative Excess | Nominal Capacity (mAh) | Electrolyte Volume (g) |
|---|---|---|---|---|---|---|
| Positive (P198-S20) | 145 | 320 | 2.5 | 10% | 1800 | 6 |
| Negative (S360-L1) | 350 | 142 | 1.62 | - | - | - |
Slurry Preparation Specifications
Positive Electrode
| Material Type | LFP | SP | PVDF (5130) | Solid Content | Viscosity | Fineness |
|---|---|---|---|---|---|---|
| 198-S20 | 93.0% | 4.0% | 3.0% | 52.5% | 8880 | 10 |
Negative Electrode
| Material Type | C | SP | SBR+CMC | Solid Content | Viscosity | Fineness |
|---|---|---|---|---|---|---|
| 360-L1 | 95.5% | 1.5% | 1.8%+1.2% | 45.0% | 2840 | 28 |
Performance Data
Specific Capacity and High-Temperature Storage
| Compaction (g/cm³) | Initial Efficiency (%) | 1C Discharge Capacity (mAh) | 1C Specific Capacity (mAh/g) | Internal Resistance (mΩ) |
|---|---|---|---|---|
| 2.5 | 89.8 | 1808 | 145.4 | 28.4 |
Rate Performance
| Rate | 1C Capacity (mAh) | 3C/1C (%) | 5C/1C (%) | 8C/1C (%) |
|---|---|---|---|---|
| Performance | 1806 | 98.5 | 98.0 | 80.1 |
Low-Temperature Performance
| Temperature | 25°C | -20°C |
|---|---|---|
| Capacity (mAh) | 1800 | 841 |
| Ratio (%) | 100 | 46.7 |
Ambient Temperature Cycling Performance
| Cycle | 100 | 200 | 300 | 400 | 500 |
|---|---|---|---|---|---|
| Capacity Retention (%) | 99.30 | 98.36 | 98.16 | 97.85 | 97.64 |
P198-S20 represents advanced LFP technology offering optimal balance of high performance, safety, and cost-effectiveness. Its unique processing techniques and optimized properties make it ideal for electric vehicles, energy storage systems, and other demanding lithium-ion battery applications.
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Company
GUANGDONG XWELL TECHNOLOGY CO., LTD.
Location
Room 316, Building 3, No. 801, Qiaoxing Avenue, Xiaoluo Village, Shatou Street, Panyu District, Guangzhou
Contact Person
Sammy Qin