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Fast-charge graphite anode material, D50 9 µm. Fine-particle graphite engineered for high rate capability. The smaller particle size shortens the lithium diffusion path, which supports faster charge acceptance than conventional graphite at some cost in volumetric energy density.
Typical properties
| Property | Typical value |
|---|---|
| Particle size D10 | 5.0 µm |
| Particle size D50 | 9.1 µm |
| Particle size D90 | 16.2 µm |
| True density | 2.25 g/cm³ |
| Tap density | 1.05 g/cm³ |
| Specific surface area | 1.4 m²/g |
| Ash content | 0.01% |
| Magnetic impurities (Fe+Cr+Ni+Zn) | 0.015 ppm |
| First discharge capacity | 348.4 mAh/g |
| First discharge efficiency | 93.0% |
| Shelf life | 3 years sealed |
Figures are typical values, not guaranteed limits. A lot-specific Certificate of Analysis ships with every order.
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 |
Why smaller particles charge faster
Lithium has to diffuse from the particle surface to its centre. Halving the particle radius cuts that diffusion time by roughly a factor of four, which is why fine graphite accepts current that would plate lithium on a coarser anode. The trade is more surface area, so more electrolyte is consumed forming the SEI, and slightly lower first-cycle efficiency and tap density.
Applications
- Fast-charge and high-rate cell development
- Power tool, EV and energy-storage anode formulations
- Rate-capability benchmarking against conventional graphite
- Lithium plating threshold studies
- Blending with coarser graphite to tune the rate/energy balance
Handling
Store sealed and dry. Fine graphite has more surface area than coarse grades and picks up moisture faster; dry before slurry preparation if the container has been open.
Ordering
Contact us for pricing, pack sizes and current lead time. Safety data sheet and lot-specific Certificate of Analysis available on request.
