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MSE PRO Single Crystal NMC 631 LiNi0.6Mn0.3Co0.1O2 Cathode Powder, Lithium Nickel Manganese Cobalt Oxide,– MSE Supplies LLC

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MSE PRO Single Crystal NMC 631 Cathode Powder, 500g, Lithium Nickel Manganese Cobalt Oxide, LiNi<sub>0.6</sub>Mn<sub>0.3</sub>Co<sub>0.1</sub>O<sub>2</sub>

MSE PRO Single Crystal NMC 631 Cathode Powder, 500g, Lithium Nickel Manganese Cobalt Oxide, LiNi0.6Mn0.3Co0.1O2

SKU: PO5031

  • $ 29995

MSE PRO™ Single Crystal NMC 631 Cathode Powder, 500g, Lithium Nickel Manganese Cobalt Oxide, LiNi0.6Mn0.3Co0.1O2 NMC (Ni:Mn:Co = 6:3:1)

SKU#: PO5031

Package Size: 500g

Main Advantages: single crystal, long cycling life, good cycling performance at high temperature, high power

Specifications:

  • Appearance: Black powder
  • Molecular Formula: LiNi0.6Mn0.3Co0.1O2 NMC (Ni:Mn:Co = 6:3:1), comparable to NMC 622
  • Chemical Name or Material: Lithium Nickel Manganese Cobalt Oxide
  • Particle sizes:
    • D10:  ≥1.5 µm
    • D50:  3.3~4.5 µm
    • D90:  5.5~9.5 µm
  • Tap density: ≥1.8 g/cm3
  • pH:  ≤11.5
  • BET Specific Surface Area: 0.6~1.3 m2/g
  • First Discharge Capacity (0.1C, button half open cell vs. Li):  ≥185 mAh/g (3.0~4.4V)
  • First Discharge Efficiency (0.1C, button half open cell vs. Li):  ≥87% (3.0~4.4V)
 Parameter Specifications
Ni+Mn+Co (wt%) 57.3~62.3
Li (wt%) 7.0~7.6
Ni (mol%) 59.0±1.0
Mn (mol%) 30.0±1.0
Co (mol%) 10.0±1.0
Ca (wt%) ≤0.0100
Cu (wt%) ≤0.0020
Fe (wt%) ≤0.0050
Na (wt%) ≤0.0300

 

Questions and Answers

Q  What can affect the stability of NMC when cycled to high voltages?

A:   The stability of NMC is affected by 

  1. structural transformation from layered to spinel and/or rock-salt phases
  2. mechanical damage such as crack formation in active particles
  3. parasitic reactions between cathode and the electrolyte 
  4. migration, segregation and dissolution of transition metals 

Q  Why do single crystals matter?

A:  The benefits of single crystal cathode materials:

  1. Coatings on single crystal particles remain intact with repeated cycling 
  2. less undesirable side reactions with the electrolyte
  3. long lasting and durable lithium ion battery cells
  4. high gravimetric energy density and high volumetric energy

Q  Why is single crystal NMC trending in the EV industry?

A:  As the battery is the most expensive component of an EV, not only does battery health affect the vehicle’s residual value, but it also has a direct impact on the maximum usable range over time. The cycling life of battery using traditional NMC is usually shorten in an extreme weather condition. Single crystal NMC with better structure stability is a promising cathode material for long life time EV applications. The Tesla researchers patented a single crystal NMC which can be cycled for more than 4000 cycles at 40 °C.

References:

1. A Wide Range of Testing Results on an Excellent Lithium-Ion Cell Chemistry to be used as Benchmarks for New Battery Technologies, J. Electrochem. Soc, 166(13) A3031-A3044 (2019)

2. Tesla battery researcher unveils new cell that could last 1 million miles in ‘robot taxis’, https://electrek.co/2019/09/07/tesla-battery-cell-last-1-million-miles-robot-taxis/

3. Single-crystal based studies for correlating the properties and high-voltage performance of Li[NixMnyCo1−x−y]O2 cathodes, J. Mater. Chem. A, 2019,7, 5463-5474