Cathode Material (NCM622)
▶ Basic Specifications
Model:
LNCM-620T
Chemical formula:
LiNi₀.₆Co₀.₂Mn₀.₂O₂
Specifications:
| Project |
Standard value |
measured value |
Chemical
composition |
Li(%) |
7.3±0.3 |
7.38 |
| Ni+Mn+Co(%) |
≧58 |
35.44+12.15+11.46 |
| Impurities |
Fe(ppm) |
<100 |
18 |
| Na(ppm) |
<300 |
199 |
| Cu(ppm) |
<50 |
10 |
Particle size
distribution |
D10(μm) |
≥5.0 |
6.15 |
| D50(μm) |
10.0~13.0 |
12.20 |
| D90(μm) |
≤25.0 |
20.39 |
| PH |
≦12.00 |
11.69 |
| Moisture(%) |
<0.1 |
0.013 |
| Specific surface area(m²/g) |
0.2~0.5 |
0.31 |
| Tap density(g/cm³) |
≥2.3 |
2.40 |
| First discharge capacity (mAh/g) |
≥170 |
173.90 |
| First charge and discharge
efficiency (%) |
≥87.0 |
88.11 |