Model：
LMO-19S
Chemical formula：
LiMn₂O₄
Specifications：
| Project | Unit | Standard value |
Typical value |
Test equipment and methods |
|
|---|---|---|---|---|---|
| chemical components | Li | % | 3.80~4.60 | 4.13 | AAS/ICP |
| Mn | % | 58.00~60.00 | 58.40 | Ferrous Sulfate Titration | |
| Impurities | Fe | ppm | ≦100 | 30 | AAS/ICP |
| Ni | ppm | ≦100 | 40 | AAS/ICP | |
| Na | ppm | ≦3500 | 2200 | AAS/ICP | |
| Cu | ppm | ≦20 | 7 | AAS/ICP | |
| Particle size distribution |
D10 | μm | ≧5.00 | 7.0 | MasterSize2000,ParticleSize analyser;Hydro2000MU; Sample-size:2Kg , Dispersant: water Refractive index ：1.33 |
| D50 | μm | 17.00~22.00 | 19.0 | ||
| D90 | μm | ≦45.00 | 38.0 | ||
| Dmax | μm | ≦75.00 | 61.0 | ||
| Crystal structure | / | Measured | / | XRD | |
| pH | / | 7.0~10.0 | 7.55 | pH值 | |
| Moisture | ppm | ≦700 | 400 | (150˚CVacuum drying 2h) | |
| Specific surface area | m²/g | 0.20~0.70 | 0.45 | 3H-2000 type Adsorption: high purity N2:He=4:1 BET tube: 9mm U-shaped tube |
|
| Tap density | g/cm³ | ≧1.7 | 1.8 | Tap density meter Vibration frequency ：100~300 times/min amplitude：3mm， Vibration times: 4000 ， Graduated cylinder ：100ml， Sample size ：100g |
|
| First discharge capacity | mAh/g | ≧117.0 | 118.0 | CR2032 battery 0.1C/0.1C，4.3~3.0V |
|
| First efficiency | % | ≧93.0 | 95.0 | ||
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