Details
The material needs to be sealed and stored
It is recommended to use carbon coated copper foil for half cell testing
The electrolyte used during testing is NCM electrolyte (KLD-1230C)
Baking conditions for electrode: Bake at 85 ℃ for 4 hours
Lithium ion anode electrode material, porous carbon skeleton, with a capacity of over 1800mAh/g, and high coulombic efficiency for the first time
Physical and chemical properties
| Number | Test item | Unit | Specification | Test result | ||
| 1 | Trace metal content | Fe | (ppm) | ≤50 | 33.25 | |
| 2 | Cr | (ppm) | ≤50 | 24.22 | ||
| 3 | Ni | (ppm) | ≤20 | 11.13 | ||
| 4 | Magnetic substance | Total | (ppm) | ≤1.0 | 0.65 | |
| 5 |
Physical characteristics |
Particle size distribution | D10 | (μm) | ≥3.0 | 4.25 |
| 6 | D50 | (μm) | 8.0±2.0 | 8.62 | ||
| 7 | D90 | (μm) | ≤15.0 | 13.23 | ||
| 8 | BET | (m2/g) | ≤6.0 | 3.62 | ||
| 9 | TD | (g/cm3) | ≥1.0 | 1.22 | ||
| 10 | Electrochemical performance | 1.5V First Reversible Capacity | (mAh/g) | ≥1800.0 | 1994.7 | |
| 11 | 1.5V initial efficiency | (%) | ≥91.0 | 92.1 | ||
| 12 | 0.8V First Reversible Capacity | (mAh/g) | ≥1600.0 | 1788.7 | ||
| 13 | 0.8V initial efficiency | (%) | ≥81.0 | 82.6 | ||
Half battery test
CC rate charging, DC rate discharge
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