Description
ATOMFAIR NCM (93:5:2): 219 mAh/g Cathode Active MaterialRESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
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EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Surface residual alkali compounds (LiOH and Li2CO3) indicate reactivity with atmospheric moisture and carbon dioxide. The material's pH value of 11.6 necessitates protective handling to prevent chemical exposure.
- Moisture Sensitivity: Exposure to ambient air leads to formation of surface alkali compounds, which degrade electrochemical performance.
- Alkalinity Hazard: The material's high pH of 11.6 indicates a strong base that can cause chemical burns upon skin or eye contact.
What is the trade-off between specific capacity and initial coulombic efficiency for this NCM93 single crystal cathode material?
The material delivers 219.6 mAh/g discharge capacity at 0.1C with an initial coulombic efficiency of 89.8%. This trade-off is governed by the ultra-high nickel content (Ni 92.5 mol%) which maximizes capacity but increases surface residual alkali (Li₂CO₃ 0.26%, LiOH 0.20%) that consumes lithium during first cycle, reducing ICE. The single crystal morphology suppresses microcracking, helping maintain capacity retention across cycling at both 25°C and 45°C.
What electrode processing parameters must be controlled when integrating this NCM93 powder into a cathode coating for full cells?
The target cathode electrode density is 3.5 g/cm³, and the powder's tap density 1.76 g/cm³ and pellet density 3.26 g/cm³ inform compaction behavior. With a D50 of 3.6 μm and narrow distribution (D10 2.0 μm, D90 6.5 μm), slurry rheology and coating uniformity require precise dispersant and binder optimization. Testing is performed at 3.0V–4.3V vs. Li metal, so full-cell integration demands anode capacity matching and compatible electrolyte stability at high voltage.
How should this ultra-high nickel NCM93 powder be stored and handled to prevent capacity degradation from environmental exposure?
The powder has high surface residual alkali (Li₂CO₃ 0.26%, LiOH 0.20%) and a pH of 11.6, reflecting strong reactivity with atmospheric H₂O and CO₂. Storage must be in an argon-filled glovebox with <0.1 ppm moisture and oxygen to prevent further LiOH and Li₂CO₃ formation. Although the single crystal morphology reduces specific surface area to 0.67 m²/g, rigorous dry-air handling is still required during electrode preparation to preserve the 219.6 mAh/g capacity.
This ultra-high nickel NCM93 cathode material delivers a specific capacity of 219.6 mAh/g with excellent rate retention due to its single crystal morphology, but the elevated surface residual alkali (0.26% Li2CO3, 0.20% LiOH) and high pH of 11.6 impose strict processing controls for slurry stability and corrosion prevention.
Positive
- Single crystal morphology for cycle stability: The single crystal particle structure resists microcracking and supports stable electrochemical cycling at both 25°C and 45°C, enhancing electrode longevity.
- High specific capacity with good rate capability: Delivers 219.6 mAh/g at 0.1C discharge and retains 202.1 mAh/g at 1.0C, enabling high-energy-density cell designs with moderate rate demands.
Trade-offs
- Elevated surface residual alkali: The material contains 0.26% Li2CO3 and 0.20% LiOH, which can induce gelation during slurry formulation and require dry-room conditions to prevent moisture uptake.
- High pH requires controlled processing: With a pH of 11.6, the material's strong basicity demands corrosion-resistant current collectors, pH-stable binders, and an inert atmosphere to avoid degradation during electrode fabrication.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
