Single-Crystal LiNi0.6Co0.2Mn0.2O2 (NCM622) Powder for Li-Ion Battery Cathode, 100 g/bottle, CLIBCSCNCM622
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NCM622 (LiNi₀.₆Co₀.₂Mn₀.₂O₂) is often seen as a "balanced" cathode, representing a popular middle-ground in battery technology. Unlike the polycrystalline NCM622, the single-crystal NCM622 particles are each one solid, continuous crystal (typically 1-5 micrometers). They have no internal "seams" or grain boundaries. Therefore, it has the following advantages:
(1) Prevents Microcracking: A single-crystal particle has no grain boundaries. It can expand and contract as one solid unit, making it far more resistant to mechanical stress and cracking, especially at high voltages.
(2) Improves Long-Term Cycle Life: By eliminating cracking, SC-NCM622 drastically reduces these parasitic side reactions. This leads to a much slower rate of degradation and a significantly longer service life (e.g., retaining high capacity after thousands of cycles).
(3) Reduces Gas Generation: Fewer side reactions mean significantly less gas generation, leading to safer and more stable batteries.
(4) Higher Volumetric Energy Density: The solid, dense, and more uniform nature of single-crystal particles allows them to be packed more tightly onto the electrode foil. This higher "tap density" means you can fit more active material into the same volume, increasing the battery's overall energy density.
| Part Number |
CLIBCSCNCM622 (C-LIB-C-SCNCM622) |
| Chemical Composition |
Li: 19.75 wt%, Ni: 60.29 wt%, Co: 19.76 wt%, Mn: 7.32 wt% |
| Impurity Content |
Fe: 9.5 ppm; Mg: 65.5 ppm; Na: 59.3 ppm; Ca: 14.6 ppm S: 642.3 ppm |
| Particle Size Distribution |
D10 = 2.1 um; D50 =4.0 um; D90 = 7.6 um |
| Tap Density | 2.06 g/cm3 |
| Specific Area | 0.96 m2/g |
| Water Level | 245 ppm |
| First Discharging Capacity |
~179 mAh/g (0.1 C, 3.0-4.3 V)  
|
| First Columbic Efficiency |
89.0% |
Notes: (1) Please store the SCNCM622 powder in a dry area (glovebox is preferred); (2) The battery powder is highly recommended to be dried at 80-100°C in a vacuum oven for 6-12 h before use.
References:
- G. Li, et al. Electrochemical oxygen evolution coupled structure and capacity decay of single-crystal LiNi0.6Co0.2Mn0.2O2 cathode materials, J. Power Sources, 2024, 589, 233714.
- P. Venkatachalam, et al. High performance crack-free single crystalline NCM-622 via Mg-doping as a high voltage cathode for lithium-ion batteries,J. Power Source, 2025, 657, 238155.