| D10 (u m) | um | ≥6 | Laser Particle Size Analyzer Malvern 2000
Sample ultrasonication: 3 min
Refractive index (sample): 2.42
Absorption: 1
Dispersant: Water
Refractive index (dispersant): 1.330
|
| D50 (u m) | um | 15.0±0.2 |
| D90 (u m) | um | ≤36 |
| Tap Density | g/cm3 | 1.0±0.10 | Tap Density Tester AUTOTAP
Vibration frequency: 250 taps/min
Amplitude: 3 mm
Number of taps: 3000
Graduated cylinder volume: 25 ml |
| Specific Surface Area | m2/g | 1.0.2.0 | Specific Surface Area Analyzer NOVA-Touch
Adsorbate: High-purity N₂
BET tube: 9 mm with bulb |
| Ash Content | % | ≤0.10 | Muffle Furnace, 800℃,
5–6 hours until constant weight
|
| Initial Discharge Specific Capacity | MAh/g | ≥340.0 | Coin cell CR2430, CMC/SBR system
CCCV: 0.1C to 0.01C cutoff, 5 mV
CC: 0.1C, 2 V |
| Initial Coulombic Efficiency | % | ≥92.0 |