| No | Item | Spec | Unit | |
|---|---|---|---|---|
| 1 | Appearance | Grey black powder | N.A | |
| 2 | Particle size | D10 | ≥0.25 | um |
| D50 | 1.3±0.5 | um | ||
| D90 | <10 | um | ||
| 3 | Powder resistivity | ≤100 | Ω ·cm | |
| 4 | Carbon content | 1.45±0.2 | % | |
| 5 | SSA | 13.5±2.0 | m²/g | |
| 6 | Tap Density | 0.8±0.2 | g/m³ | |
| 7 | Moisture | <1000 | ppm | |
| 8 | PH | 9.5±1.0 | N.A | |
| 9 | Capacity(0.1C) | ≥154 | mAh/g | |
| 10 | Efficiency(0.1C) | ≥95 | % | |
