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Natural graphite anode material, D50 15 µm. Spherical, high-capacity natural graphite for lithium-ion anodes. Delivers over 360 mAh/g first-discharge capacity with very low ash and magnetic impurity content, making it suitable for both cell R&D and pilot production.
Specification
| Property | Specification |
|---|---|
| Appearance | Black powder |
| Particle size D10 | 9.0 ± 1.5 µm |
| Particle size D50 | 15.2 ± 1.5 µm |
| Particle size D90 | 26.5 ± 3.5 µm |
| True density | ≥ 2.10 g/cm³ |
| Tap density | 1.03 – 1.12 g/cm³ |
| Specific surface area | 1.6 – 2.4 m²/g |
| Ash content | ≤ 0.10% |
| Magnetic impurities (Fe+Cr+Ni+Zn) | ≤ 0.2 ppm |
| First discharge capacity | ≥ 362.0 mAh/g |
| First discharge efficiency | ≥ 92.0% |
| Shelf life | 3 years sealed |
A lot-specific Certificate of Analysis is supplied with every shipment. Values above are the product specification, not single-lot results.
Anode material comparison
| Anode | Capacity | First-cycle eff. | Rate capability | Volume change | Best for |
|---|---|---|---|---|---|
| Natural graphite | 360–372 mAh/g | 92–94% | Moderate | ~10% | Cost-driven, high energy |
| Fast-charge graphite | 340–355 mAh/g | 92–94% | High | ~10% | Fast charge and high rate |
| Artificial graphite | 340–360 mAh/g | 93–95% | Good | ~10% | Long cycle life |
| MCMB | 300–330 mAh/g | 90–94% | High | ~10% | Reference and benchmark work |
| Silicon–carbon (420) | 400–450 mAh/g | 85–90% | Moderate | 20–40% | Higher energy blends |
| Lithium metal | 3860 mAh/g | — | — | — | Half-cells, Li-metal research |
Natural vs artificial graphite
Natural graphite gives higher capacity and lower cost per amp-hour, because its crystal structure is closer to ideal. Artificial graphite cycles longer and tolerates fast charge better, because its more disordered structure resists exfoliation. Most commercial anodes blend the two. Start with natural graphite when energy density and cost drive the design, artificial when cycle life does.
Applications
- Lithium-ion anode coating and half-cell testing
- Coin, pouch and cylindrical cell prototyping
- Blending with silicon oxide or artificial graphite
- Energy-density-driven cell development
- Electrolyte and additive screening against a high-capacity anode
Handling
Store sealed and dry. Graphite is hygroscopic; dry before slurry preparation if the container has been open. The magnetic impurity level is only preserved if the powder is kept away from steel scoops and unlined mills.
Ordering
Contact us for pricing, pack sizes and current lead time. Safety data sheet and lot-specific Certificate of Analysis available on request.
