Description
ATOMFAIR® SODIUM NICKEL IRON MANGANESE OXIDE (NFM111) CATHODE SHEETSODIUM-ION BATTERY RESEARCH GRADE
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TAILORED SODIUM-ION SOLUTIONS
Advancing the frontier of sustainable energy storage systems.
EMAIL: SUPPORT@ATOMFAIR.COM
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This cathode sheet consists of NFM111 active material coated on carbon-coated aluminum foil for sodium-ion battery research. It is designed for easy integration into stacked or wound cell configurations with a defined tab area.
How does the 95.3% active material ratio in NFM111 cathode sheets affect rate capability and cycle life trade-offs for sodium-ion cells?
The 95.3% active material ratio in the dry coating maximizes specific capacity and energy density for sodium-ion cells. The carbon-coated aluminum foil substrate enhances electronic conductivity and electrode adhesion, which can help sustain rate capability despite the high loading, while strict areal density uniformity control supports reproducible cycle life.
What are the tab compatibility constraints when welding NFM111 cathode sheets into stacked versus wound cell geometries?
The NFM111 cathode sheet features a well-defined uncoated tab area specifically designed for welding in both stacked and wound cell configurations. The precision coating with defined collector tab boundaries ensures consistent tab alignment and reliable weld joints without interfering with the active material layer, enabling direct integration into standard manufacturing processes.
Why must NFM111 cathode sheets be vacuum dried at 120°C for at least 12 hours before cell assembly?
The NFM111 cathode sheet must be vacuum dried at 120°C for ≥12 hours to remove adsorbed moisture from the hygroscopic sodium-based active material and the carbon-coated aluminum foil substrate. Residual moisture can cause decomposition of the sodium electrolyte and gas generation during cycling, compromising cell safety and electrochemical performance, so assembly in a dry room or glove box is additionally recommended.
The NFM111 single-side sodium cathode sheet delivers a 95.3% active material loading on a carbon-coated aluminum substrate for high specific capacity, though it necessitates a >12-hour vacuum dry at 120°C and assembly in a dry room or glove box to avoid moisture-induced degradation.
Positive
- High Active Material Loading: 95.3% active material ratio in the dry coating maximizes specific capacity and energy density per unit mass.
- Optimized Interface with Carbon Coating: Pre-coated carbon layer on the aluminum foil current collector enhances electrical conductivity and adhesion of the NFM111 layer.
Trade-offs
- Mandatory Vacuum Drying Protocol: Sheet must be vacuum dried at 120°C for ≥12 hours before use, adding preparation time and requiring suitable oven infrastructure.
- Requires Controlled Assembly Environment: Assembly in a dry room or glove box is recommended to prevent moisture contamination, increasing laboratory infrastructure demands.
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).
