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Merck
CN

942960

Lithium nickel manganese cobalt oxide

aluminum-doped NMCA quaternary Ni-rich cathode active material, battery grade

Synonym(s):

Layered lithium nickel manganese cobalt aluminum oxide, NMC Ni90, NMC90, Nickel-rich NMC

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About This Item

Empirical Formula (Hill Notation):
LiNi0.90Mn0.04Co0.05Al0.01O2
CAS Number:
Molecular Weight:
97.18
UNSPSC Code:
26111700
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grade

battery grade

Quality Level

Assay

≥87% Ni basis ((mol%), excluding Li and O)

form

powder

mol wt

97.18 g/mol

surface area

0.4-1.0 m2/g

impurities

25 ppm ((typical))

particle size

10 μm ((D50))

capacity

(First cycle discharge capacity : >230 mAh/g at 0.1C (typical))

density

2.15 g/cm3 ((lit.))
2.2 g/cm3 (Tap density)

application(s)

battery manufacturing

SMILES string

[Li].[O].[Al].[Mn].[Co].[Ni]

InChI

1S/Al.Co.Li.Mn.Ni.O

General description

Our lithium nickel manganese cobalt aluminum oxide (NMCA) quaternary Ni-rich cathode active material, battery grade, is a high-performance powder designed for advanced lithium-ion batteries. This material is composed of LiNi0.90Mn0.04Co0.05Al0.01O2 that adopts a layered crystal structure optimized for lithium ion intercalation. Our NMCA powder has a tightly controlled particle size distribution, with a D10 of 7 microns, D50 of 10 microns, and D90 of 13 microns, which ensures reproducible slurry formulation. It boasts a first cycle discharge capacity greater than 230 mAh/g and a first cycle efficiency greater than 89%, making it an excellent choice for high-energy-density batteries. Our material also has a high tap density typically of 2.2 g/cm³ to improve the areal loading density during electrode formation.

Application

Our NMCA quaternary Ni-rich cathode material is specifically engineered for use in lithium-ion batteries, which are essential for a wide range of applications including electric vehicles (EVs), portable electronics, and large-scale energy storage systems. The unique composition of LiNi0.90Mn0.04Co0.05Al0.01O2 offers several advantages over traditional cathode materials including an ultra-high energy density, with an initial discharge capacity of over 230 mAh/g (2.8-4.5 V) and a nominal voltage of 3.8 V vs. Li+/Li. The incorporation of manganese and aluminum stabilizes the crystal structure to improve the stability of the material compared to other compositions with 90% Ni, resulting in a material with improved cycling performance and thermal stability. Our NMCA quaternary Ni-rich cathode material is a cutting-edge solution for enhancing the performance and reliability of lithium-ion batteries.

Features and Benefits

1.High Energy Density: NMCA material provides a high discharge capacity of over 230 mAh/g, which is crucial for applications requiring high energy output.
2.Enhanced Cycling Stability: incorporation of aluminum and manganese improves the structural integrity of the cathode, reducing microcrack formation and electrolyte infiltration.
3.Thermal Stability: NMCA cathode demonstrates improved thermal stability and reduced heat generation, enhancing the safety of lithium-ion batteries in high-temperature environments.
4.Reduced Impedance Growth: Electrochemical impedance spectroscopy (EIS) studies show that the NMCA cathode maintains a relatively stable charge transfer resistance (Rct) over extended cycling periods, indicating less degradation and better long-term performance.

Regulatory Information

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