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High Capacity and temperature LiMn2O4 Battery Cathode Material For Digital , Miner Light
| Item | Unit | Control standards | Typical value | ||
| Chemical performance | Li | Wt% | 4.3±0.2 | 4.4 | |
| Mn | Wt% | 58.0±1.0 | 57.39 | ||
| Li/Mn | 0.60±0.05 | 0.57 | |||
| Impurity | Na | ppm | ≤400 | 335 | |
| K | ppm | ≤30 | 19 | ||
| Ca | ppm | ≤300 | 138 | ||
| Fe | ppm | ≤30 | 29 | ||
| Cu | ppm | ≤10 | 2 | ||
| Physical Performance | Particle size distribution | D10 | µm | ≥5.0 | 8.6 |
| D50 | µm | 10.0～18.0 | 15.3 | ||
| D90 | µm | ≤35.0 | 27.7 | ||
| specific surface area | m2/g | 0.20～0.80 | 0.40 | ||
| pH | 8.00～11.00 | 9.90 | |||
| Moisture | Wt% | ≤0.100 | 0.038 | ||
| Tap density | g/cm3 | ≥1.70 | 1.95 | ||
| Compact density | g/cm3 | ≥2.80 | 2.85 | ||
| Electrochemical performance | Initial specific discharge capacity(vs.Li, 0.2C) | mAh/g | ≥105.0 | 106.2 | |
| Initial charge-discharge efficiency | % | ≥95 | 96 | ||
| Capacity retention ration after 2000 cycles (RT) | % | ≥80 | 82 | ||
| Capacity retention ration after 500 cycles (55℃) | % | ≥80 | 81 | ||
Description:
Type: SM11
Name: Lithium Manganese Oxide
Appearance: Black powder, no agglomeration
Crystallogram: No impurity phase
Applications:
Suitable for electric bicycle battery, electric vehicle battery, energy storage etc.
Competitive Advantages:
1. Good cycle performance
2. High charge-discharge rate
3. Good storage performance at high temperature
4. Good stability and safety performance