Product description
LiNbO3 (1 wt%) coated NMC 811 Cathode Powder, 11-15um D50, Cathode Material
Product Benefit: LiNbO3 coated NMC 811 (or NCM 811) Cathode Powder provides superior high rate capability of cathode when being used with solid state electrolyte materials. According to a 2019 paper published by the M. Stanley Whittingham lab, the coating of LiNbO3 on NMC 811 cathode not only supplied a protective surface coating but also optimized the electrochemical behavior of NMC 811 cathode material.
CAS#: NMC 811(1333-86-4), LiNbO3 (12031-63-9)
Package Size: 10g, 100g
Specifications (Custom made cathode materials with LiNbO3 coating can be provided. Please contact us for a quote.)
LiNbO3 coating: 1 wt% of NMC 811
Appearance: Ash black color powder
Molecular Formula: LiNi0.8Co0.10Mn0.10O2 (Ni:Mn:Co = 8:1:1), NMC 811
Material Type: Polycrystalline
Chemical Name or Material: Lithium Nickel Manganese Cobalt Oxide
Particle size distribution:
- D10: ~ 5 µm
- D50: 11 – 15 µm
- D90: 35 µm
Tap density: ~ 2.2 g/cm3 (typical value 2.45 g/cm3)
BET Specific Surface Area: 0.15 – 0.35 m2/g
LiNbO3 coating thickness (TEM measurement): 5~10 nm
Chemical Composition and Impurities (metals only)
Elements | Unit | Specification | Typical Value |
Ni+Mn+Co | wt% | 58.0-60.5 | 59.3 |
Li | wt% | 7.0-7.6 | 7.35 |
Fe | wt% | <0.0050 | 0.0007 |
Cu | wt% | <0.0020 | 0.0001 |
Ca | wt% | <0.0100 | 0.0010 |
Na | wt% | <0.0300 | 0.0056 |
Electrochemical Performance of NMC 811 powder
Coulombic Efficiency (0.1C) >86%
First Discharge Capacity (button half open cell, 4.2 – 3.0V)
at 0.1C, 178 mAh/g, First discharge efficiency: ~ 85%
at 0.5C, 172 mAh/g
at 1.0C, 165 mAh/g
Capacity remaining
97% after 100 cycles
96% after 200 cycles
94% after 300 cycles
According to a recent study, LiNbO3-coated NMC 811 cathode displays the higher discharge capacity of 203 mAh g−1 at 0.1 C and a rate performance of 136.8 mAh g−1 at 5 C at 60 °C than NMC 811 and reported oxide electrodes.
