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Post-processed petroleum coke single particle
| Recommended grades: | KG-C26S | ||
| Project: | Indicator Range | Typical value | Detection Instruments and Methods |
| Particle size D50, μm: | 14.5 ± 1.5 | 14.557 | Malvern 3000 Laser Particle Sizer |
| Tapped density, g/cm³ 3： | ≥1.0 | 1.13 | BT-312 Vibration Tapped Density Tester |
| Specific surface area, m² 2 /g: | ≤2.0 | 1.39 | BSD-BET400 Surface Area Analyzer |
| Ash content, %: | ≤0.1 | 0.01 | Muffle furnace, burn at 900℃ for 2-3 hours until constant weight. |
| Graphitization degree, %: | ≥94.0 | 94.3 | XRD X-ray Diffractometer |
| First discharge capacity, mAh/g: | ≥353.0 | 353.23 | Button cell battery |
| First Coulombic efficiency, %: | ≥94.0 | 95.07 | Button cell battery |
| Magnetic material, ppm: | ≤1 | 0.21 | ICP |
| Recommended grades: | KBC/PC-1 | KBC/PC-2 | KBC/PC-3 | KBC/PC-4 |
| Specific surface area, m² 2 /g: | 1750–1850 | 1950–2050 | 2150–2250 | 2350–2450 |
| Kong Rong, cm 3 /g: | 0.75–0.85 | 0.85–0.95 | 0.95–1.05 | 1:10–1:20 |
| Average pore diameter, nm: | 1.60–1.70 | 1.65–1.75 | .70–1.80 | 1.85–1.95 |
| Microporosity, % (NLDFT method): | 80–98 | 80–98 | 80–98 | 80–98 |
| Particle size D50, μm: | 6-8 | 6-8 | 6-8 | 6-8 |
| Particle Concentration: | 1.0–1.2 | 1.0–1.2 | 1.0–1.2 | 1.0–1.2 |
| Ash content, %: | <0.2 | <0.2 | <0.2 | <0.2 |
| Oxygen content, %: | <2 | <2 | <2 | <2 |
| Alkaline substance, ppm: | <200 | <200 | <200 | <200 |
| Magnetic material, ppm: | <300 | <300 | <300 | <300 |
|
Recommended grades: |
KBC-XTT |
|
Density, g/cm³: |
≥1.55 |
|
Room-temperature resistivity, μΩ·m: |
≤35 |
|
Flexural strength, MPa: |
≥15 |
|
Compressive strength, MPa: |
≥30 |
|
Coefficient of thermal expansion, 10 -6 /K |
≤2 |
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