Description
ATOMFAIR NCM (65:15:20): 198 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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This cathode powder must be stored in a dry, inert atmosphere to prevent moisture-induced alkali carbonate growth. Handling requires acid-resistant gloves and safety goggles due to the alkaline surface residual alkali (pH 10.62).
- Storage Atmosphere: Store under inert gas (argon or nitrogen) in a sealed container within a glovebox to avoid moisture and oxygen exposure.
- Moisture Sensitivity: The elevated residual LiOH (0.0764 wt%) and Li2CO3 (0.1103 wt%) indicate the material is susceptible to moisture uptake during ambient exposure.
- Handling Precautions: Use appropriate personal protective equipment, including nitrile gloves and safety glasses, to avoid skin and eye contact with the alkaline powder.
What is the rate capability trade-off for the NCM 65:15:20 single crystal cathode compared to its 0.1C discharge capacity?
The 0.1C discharge capacity is 198.0 mAh/g, but at 0.5C it drops to 188.9 mAh/g, at 1.0C to 184.1 mAh/g, and at 2.0C to 180.2 mAh/g, reflecting a ~9% capacity loss from 0.1C to 2.0C. This moderate fade is coupled with an ultra-low initial DCR of 13.98 Ω at 10% SOC, enabling high-rate retention for a medium-nickel mono-crystal design.
What compatibility issues arise when integrating this mono-crystal NCM cathode into a full-cell with graphite anodes?
This material was tested exclusively in lithium metal half-cells (CR2032); direct transfer to graphite anodes requires careful balancing of the high initial coulombic efficiency (90.28%). The surface residual alkali levels—0.0764% LiOH and 0.1103% Li₂CO₃—and a pH of 10.62 can cause slurry gelation or electrolyte decomposition, necessitating controlled mixing environments and solvent-matched binders.
What handling and storage conditions are required to preserve the performance of this NCM cathode powder?
The material must be stored in an inert or dry atmosphere to prevent further surface alkali formation beyond the measured 0.0764% LiOH and 0.1103% Li₂CO₃, which already indicate reactivity. Its thermal decomposition onset is 233.4°C (without electrolyte) per DSC, so storage below 50°C is recommended; the low BET surface area of 0.804 m²/g reduces moisture uptake but does not eliminate the need for sealed, low-humidity packaging.
This medium-nickel single crystal NCM cathode material offers a balanced combination of high discharge capacity (198 mAh/g at 0.1C) and low initial DCR (13.98 Ω at 10% SOC), making it suitable for high-rate research cells. However, buyers must account for elevated surface residual alkali (pH 10.62) and the need for high-voltage electrolyte compatibility to achieve rated performance.
Positive
- Ultra-low initial DCR: Initial DCR at 10% SOC is only 13.98 Ω, enabling high rate capability and reduced ohmic losses in electrochemical cells.
- High specific capacity and retention: Delivers 198.0 mAh/g at 0.1C with excellent capacity retention across C-rates (188.9, 184.1, 180.2 mAh/g at 0.5C, 1C, 2C), indicating robust structural stability.
Trade-offs
- Elevated surface residual alkali: Surface residual LiOH (0.0764%wt) and Li2CO3 (0.1103%wt) contribute to a pH of 10.62, which may require slurry pH adjustment and cause gelation during electrode processing.
- High voltage window required for peak capacity: Rated capacity is measured over 3.0V–4.4V, necessitating electrolyte formulations stable at high voltage and potentially limiting compatibility with standard carbonate electrolytes.
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).
