Details
1. Store under vacuum or in a glove box using two layers of sealed bags, especially for high-nickel or sodium-ion cathode materials. Improper storage may lead to increased internal resistance of the battery.
2. Electrode sheets are not roll-pressed; they need to be roll-pressed according to the recommended pressing density.
3. The coating area density should be determined based on actual weighing results, and it does not include the current collector.
4. Actual active material mass (mg) = (weight of the small disc in mg – current collector area density in mg/cm² × area of the small disc in cm²) × active material ratio.
5. Theoretical active material amount (mg) = coating area density in mg/cm² × active material ratio × area of the small disc in cm².
6. Theoretical areal capacity (mAh/cm²) = coating area density in mg/cm² × active material ratio × gravimetric capacity in mAh/g ÷ 1000.
7. When calculating gravimetric capacity, use the actual weighed amount of active material since the coating area density may have tolerances; the actual weighing takes precedence.
8. Creases: single-sided electrode sheets tend to curl after roll-pressing; flattening and packaging may cause creases.
This product must be tested in accordance with the test methods and electrolytes recommended by Coulter to achieve the corresponding performance.
Since the test method and electrolyte have a great influence on the performance of the battery, any change in the test method or electrolyte may reduce the performance of the pole piece; be sure to check this information before purchasing.
| Item | Specification |
| Areal Capacity (mAh/cm²) | 1.73 |
| Current Collector Areal Density (mg/cm²) | 3.3 |
| Current Collector Thickness (µm) | 12 (Al foil) |
| Electrode Sheet Size | 10 × 10 cm |
| Active Material Ratio (%) | 95.50% |
| Compatible Full-Cell Electrode Model (N/P Ratio) | NT02XX (1.16) |
| Compacted Density (g/cc) | 0.90 (Uncalendered electrode, compaction value not provided) |
| Active Material | Imported Hard Carbon (5 µm) |
| Shelf Life | 6 months (vacuum sealed); use within 1 month after opening |
| Recommended Electrolyte | KLD-NC06 |
| Electrode Name | Sodium-Ion Hard Carbon Electrode Sheet |
| Electrode Code | YT02XX |
| Specific Capacity (mAh/g) | 300 (0.00–2.00 V) |
| Test Conditions | 25°C, 0.20→0.15→0.12→0.10→0.08→0.06→0.05→0.04→0.03→0.02→0.015→0.012→0.01C / 0.02mA / 0.01mA discharge to 0.00V; then 0.1C charge to 2.00V |
| Usage Recommendation | Calender before punching & drying; Dry at 85–105°C for 4h (vacuum drying requires 2 gas exchanges); Active mass based on actual disc weighing |
| Coating Areal Density (mg/cm²) | 6.00 (tolerance ±2.0%) |
Half-Cell Testing

Procedure Description:
- Ambient temperature 25°C, rest for 4h
- Discharge at 0.20C rate (constant current) to 0V, discharge at 0.15C rate (constant current) to 0V,
- Discharge at 0.12C rate (constant current) to 0V, discharge at 0.10C rate (constant current) to 0V,
- Discharge at 0.08C rate (constant current) to 0V, discharge at 0.06C rate (constant current) to 0V,
- Discharge at 0.05C rate (constant current) to 0V, discharge at 0.04C rate (constant current) to 0V,
- Discharge at 0.03C rate (constant current) to 0V, discharge at 0.02C rate (constant current) to 0V,
- Discharge at 0.015C rate (constant current) to 0V, discharge at 0.012C rate (constant current) to 0V,
- Discharge at 0.01C rate (constant current) to 0V, discharge at 0.02mA rate (constant current) to 0V,
- Discharge at 0.01mA rate (constant current) to 0V, rest for 3min.
- Charge at 0.1C rate (constant current) to 2.00V, rest for 3min.
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