Hard carbon, the standard anode material for sodium-ion batteries. Because the interlayer spacing of graphite is insufficient to accommodate the sodium ion, sodium-ion cells use disordered hard carbon instead. It is specifically optimized for sodium storage, delivering 295 mAh/g capacity and ≥87% efficiency.
| Particle Size (D50) | 6.0 ± 1.5 um |
| Specific Surface Area (SSA) | ≤ 5.0 m²/g |
| Tap Density | ≥ 0.75 g/cm³ |
| Capacity | 295 ± 10 mAh/g |
| Efficiency | ≥ %87.0 |