Lithium Nickel Manganese Cobalt Oxide Micron Powder ( LiNiMnCoC, D50: 9.9µm, NMC 622)

Technical Specification:

1. Material Composition:
   • Chemical Formula: LiNi₀.₆Mn₀.₂Co₀.₂O₂ (NMC 622)
   • Metal Ratio: Nickel (Ni): Manganese (Mn): Cobalt (Co) = 6:2:2
   • Purity: ≥99% (battery-grade quality).
2. Particle Properties:
   • Particle Size (D50): 9.9 µm
     • Median particle size for uniform distribution and consistent cathode performance.
   • Morphology: Spherical or sub-spherical particles with optimized tap density for higher energy density.
3. Physical Properties:
   • Density:
     • Tap Density: ~2.2–2.6 g/cm³.
   • Specific Surface Area: ~0.3–0.5 m²/g
     • Balanced for stability and electrochemical reactivity.
   • Crystal Structure: Layered α-NaFeO₂ type (R-3m space group).
4. Electrochemical Properties:
   • Operating Voltage Range: ~3.6–4.2 V (vs. Li/Li⁺).
   • Specific Capacity: ~170–180 mAh/g.
   • Energy Density: Higher than NMC 111 due to increased nickel content.
   • Cycle Life: Excellent cycling stability under moderate to high energy applications.
5. Thermal Stability:
   • Enhanced stability compared to nickel-rich variants like NMC 811, but less stable than NMC 111 due to higher nickel content.
6. Compatibility:
   • Compatible with liquid electrolytes and standard lithium-ion battery systems.

Applications:

1. Primary Applications:
   • Cathode Material for Lithium-Ion Batteries (LIBs):
     • NMC 622 offers a balance of high energy density, reasonable thermal stability, and improved performance for demanding applications.
2. Industries:
   • Electric Vehicles (EVs):
     • Used in high-energy-density battery packs for long-range EVs, hybrid electric vehicles (HEVs), and plug-in hybrid electric vehicles (PHEVs).
   • Portable Electronics:
     • Powers devices like smartphones, laptops, and tablets requiring extended battery life.
   • Energy Storage Systems (ESS):
     • Applied in grid-level energy storage solutions and renewable energy integration.
3. Advantages for Applications:
   • High Energy Density:
     • Nickel-rich composition delivers increased energy storage capacity.
   • Thermal and Structural Stability:
     • Manganese provides safety and cobalt enhances structural integrity for long cycle life.
   • Cost Efficiency:
     • Lower cobalt content reduces costs compared to cobalt-dominant cathodes.
   • Versatility:
     • Suitable for both high-power and high-energy applications.
4. Specialized Uses:
   • High-Performance Batteries:
     • Ideal for premium applications requiring a balance between energy density and cycle life.
   • Advanced Battery Research:
     • Used in developing high-energy-density lithium-ion batteries for future EVs and aerospace applications.
5. Challenges and Mitigation:
   • Thermal Management:
     • Requires effective cooling systems in high-rate charge/discharge scenarios.
       • Solution: Pair with advanced thermal management and optimized electrolyte systems.
   • Nickel-Rich Stability:
     • Higher nickel content may lead to faster degradation under extreme conditions.
       • Solution: Surface coatings and electrolyte additives can mitigate this issue.

Summary:

Lithium Nickel Manganese Cobalt Oxide Micron Powder (NMC 622) is a high-performance cathode material that offers a strong balance of energy density, cycle life, and thermal stability. With a D50 of 9.9 µm, it is optimized for lithium-ion batteries used in electric vehicles, portable electronics, and energy storage systems. The increased nickel content compared to NMC 111 enhances energy capacity while maintaining reasonable safety and cycling stability, making it an excellent choice for advanced energy storage applications.