NMC622 LiNiMnCoO2 Cathode Material
1.Material type and Model
1.1.Material Type：Lithium nickel cobalt manganate（Chemical formula： LiNi0.6Co0.2Mn0.2O2）
1.2 Model：TE640（Power type 622）
2.Reference standard
This standard is prepared by referring to industry standard YS/T 798-2012 and other technical standards.
| Item | Unit | Standard | Reference Value | Test Method |
| D10 | um | ≥5.0 | 6.6 | MS2000 particle size analyzer |
| D50 | um | 8.0-12.0 | 10.9 | |
| D90 | um | ≤25.0 | 17.6 | |
| Moisture | % | ≤0.10 | 0.08 | Sedris hydrometer |
| PH | – | ≤11.7 | 11.65 | Mettttoledo PH meter |
| Specific surface area | m2/g | 0.20-0.60 | 0.35 | BET surface area meter |
| Tap density | g/cm3 | ≥2.0 | 2.34 | ZS-203 vibrator density meter
3000times/amplitude 3mm |
3.Chemical indicators
| Item | Unit | Standard | Reference Value | Test method |
| Li | % | 7.0~8.0 | 7.4 | ICP |
| Ni+Co+Mn | % | 57.0~62.0 | 58.6 | ICP |
| Ca | % | ≤0.0200 | 0.0016 | ICP |
| Cu | % | ≤0.0050 | 0.0001 | ICP |
| Fe | % | ≤0.0100 | 0.0021 | ICP |
| Na | % | ≤0.0300 | 0.0152 | ICP |
