Description
ATOMFAIR® 206 MAH/G NMC 811 CATHODE POWDERRESEARCH 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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Electrochemical operation must be confined to the 3.0-4.3V range. Residual surface alkali levels require moisture-controlled environments during handling.
- Voltage Window: Operate strictly within 3.0-4.3V to prevent overcharge-induced structural degradation.
How does the single-crystal morphology and particle size distribution (D50=3.5 μm) of this NMC 811 cathode material affect the balance between volumetric energy density and high-rate discharge capability?
The single-crystal microstructure with a D50 of 3.507 μm and a tap density of 1.78 g/cm³ enables high volumetric energy density through efficient particle packing. However, the low BET surface area of 0.82 m²/g and larger primary particle size inherently limit lithium diffusion kinetics, making this cathode more suitable for moderate-rate applications rather than extreme high-rate discharge.
What constraints should be considered when integrating this single-crystal NMC 811 cathode into a solid-state battery cell?
The material's voltage validation window of 3.0V–4.3V must be matched with a solid electrolyte that is electrochemically stable within that range. The niobium surface coating at 1396 ppm is engineered to reduce interfacial impedance and transition metal leaching, which is beneficial for solid-state cells. Additionally, the low moisture content (≤301 ppm) is critical to prevent degradation of moisture-sensitive solid electrolytes such as sulfide-based systems.
What storage and handling precautions are required for this NMC 811 cathode powder due to its residual surface alkali content and moisture sensitivity?
The material exhibits a slurry pH of 11.36 from residual LiOH (0.242 %wt) and Li2CO3 (0.131 %wt), necessitating storage in a dry, inert atmosphere to prevent further alkali hydration and carbonation. With a specified moisture content ≤301 ppm, exposure to ambient humidity can rapidly increase water uptake, compromising the cathode's structural integrity and causing gassing during slurry mixing. Proper glovebox handling and sealed desiccated storage are essential.
This NMC 811 cathode material delivers 206 mAh/g capacity via a niobium-coated single-crystal microstructure that resists particle cracking and transition metal leaching, but its validated voltage window (3.0-4.3V) and high pH (11.36) require cautious electrolyte and slurry formulation.
Positive
- Niobium Surface Stabilization: Surface-functionalized with 1,396 ppm niobium coating provides a protective shield that dampens transition metal leaching at high voltage states, enhancing cycle life.
- Single-Crystal Mechanical Integrity: Single-crystal microstructure with D50 of 3.507 μm reduces internal gas evolution and particle cracking, ensuring robust performance in long-term cycling.
Trade-offs
- Limited Voltage Window: Validated only within 3.0V–4.3V, this cathode material cannot be used in cell designs requiring higher upper cutoff potentials without risking capacity fade or structural damage.
- High Slurry pH: With a pH of 11.36, the material necessitates careful selection of solvents and binders to avoid gelation, corrosion, or coating defects 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).
