Description
ATOMFAIR NCM (50:20:30): 185 mAh/g Cathode Active MaterialRESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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The material contains surface residual alkali (LiOH and Li2CO3) that react with atmospheric moisture and carbon dioxide. Proper storage in a dry, inert atmosphere is required to prevent degradation and maintain electrochemical performance.
- Moisture Sensitivity: Minimize exposure to ambient air to avoid residual alkali hydration and subsequent slurry gelation.
- Slurry Processing: Control environmental humidity during slurry preparation to prevent agglomeration and viscosity increase.
- Storage Condition: Store in sealed containers with inert gas purge to limit carbonation from atmospheric CO2.
How does the single crystal morphology of ATOMFAIR NCM 523 impact long-term cycling stability compared to conventional polycrystalline NCM 523 at high cutoff voltages?
The single crystal morphology provides superior structural resistance against high-voltage structural cracking, enabling exceptional long-term cycling lifespans reaching 2000 loops under elevated temperature fields. This design mitigates intergranular cracking common in polycrystalline particles, directly addressing capacity fade mechanisms at high cutoff voltages.
What is the optimal voltage window and anode pairing for this NCM 523 cathode material in coin cell testing?
The cathode is characterized in CR2032 coin cells over a voltage range of 3.0V to 4.4V, delivering 185 mAh/g discharge capacity at 0.1C. It is tested against lithium metal half-cell foils or graphite pouch-cell configurations, making it suitable for both fundamental half-cell studies and full-cell development with graphite anodes.
What storage and handling precautions are required given the residual alkali content and pH of this NCM 523 powder?
The material's pH of 11.35 and residual alkali levels of 0.0450%wt LiOH and 0.0539%wt Li₂CO₃ indicate a basic surface chemistry that requires controlled storage conditions to prevent moisture uptake and potential binder gelation during electrode fabrication. These parameters demand dry, inert storage environments and minimized ambient exposure before slurry preparation.
This medium-nickel single crystal NCM 523 cathode material offers a robust balance of cycling stability and capacity, with a 185 mAh/g discharge at 0.1C and a mono-crystal architecture that resists cracking. However, its moderate alkalinity and low surface area require careful process integration.
Positive
- Single Crystal Structural Stability: The mono-crystal grain layout mitigates intergranular cracking under high voltage, enabling over 2000 cycles at elevated temperatures.
- High Capacity and Rate Performance: Delivers 185.4 mAh/g at 0.1C and retains 168.1 mAh/g at 1.0C, suitable for high-energy-density applications.
Trade-offs
- Moderate Surface Alkalinity: The powder exhibits a pH of 11.35 and residual alkali species (LiOH, Li2CO3) that may require controlled slurry preparation to avoid gelation or binder degradation.
- Low Specific Surface Area: A BET surface area of 0.545 m²/g suggests limited reaction interface, potentially constraining performance at rates above 2C.
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).
