Details
Sodium-ion battery cathode material, long cycle life, high safety performance
It needs to be made in a humidity-controlled environment, and the dew point temperature of the film is <-25 ℃
The electrolyte used in the test is: sodium electrolyte (KLD-NC06)
pole piece baking conditions: 105 ℃ baking 4h
Physical and chemical properties:
| No. | Category | Item | Unit | Specification | Test Result | Test Method / Instrument |
| 1 | Chemical Composition | Na | wt% | 14.5±2.0 | 14.42 | ICP |
| 2 | P | wt% | 20.0±1.5 | 19.51 | ||
| 3 | Fe | wt% | 25.5±2.0 | 25.64 | ||
| 4 | C | wt% | 1.8±0.2 | 1.90 | ||
| 5 | Cr | ppm | ≤100 | 4.6 | ||
| 6 | Cu | ppm | ≤10 | 0.0 | ||
| 7 | Ni | ppm | ≤60 | 0.8 | ||
| 8 | Zn | ppm | ≤30 | 0.0 | ||
| 9 | Physical Properties | Particle Size D10 | μm | ≥0.8 | 1.214 | Laser Particle Size Analyzer |
| 10 | Particle Size D50 | μm | 2.0–8.0 | 4.225 | ||
| 11 | Particle Size D90 | μm | ≤15.0 | 9.372 | ||
| 12 | BET Specific Surface Area | m²/g | 9.0–14.0 | 10.42 | Fully Automatic Specific Surface Area & Porosity Analyzer | |
| 13 | Tap Density (TD) | g/cm³ | ≤1.9 | 2.05 | Tap Density Tester | |
| 15 | Moisture Content | ppm | ≤1000 | 315.0 | Moisture Analyzer | |
| 16 | Electrochemical Performance | Initial Discharge Capacity | mAh/g | ≥97.0 | 105.7 | CR2032 coin cell, 0.1/0.1C (4.0–2.0 V) |
| 17 | Initial Coulombic Efficiency | % | ≥85.0 | 90.7 |




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