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NFM Sodium Nickel Iron Manganese Oxide Single-Sided Cathode
Single-Sided Cathode Sheet
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This cathode sheet requires vacuum drying at 120°C for at least 12 hours prior to use to eliminate moisture. Cell assembly must be performed in a dry room or inert gas glove box to prevent material degradation and maintain electrochemical performance.
- Moisture Sensitivity: The cathode sheet is moisture-sensitive and must be dried immediately before use to prevent degradation.
- Tab Area Handling: Welding must be performed only on the designated uncoated tab area to avoid damaging the active coating.
- Contamination Prevention: Personal protective gloves must be worn during all handling steps to prevent contamination.
- Assembly Environment: Assembly requires a dry room or inert gas glove box to maintain material integrity.
This procedure describes the necessary preparation and assembly steps for using the NFM111 cathode sheet in sodium-ion battery cell fabrication. Follow these steps to ensure proper handling and avoid material degradation.
Required Equipment: Vacuum oven, Glove box or dry room, Welding equipment
- Dry the Cathode Sheet
Vacuum dry the cathode sheet at 120°C for at least 12 hours to remove residual moisture. - Don Protective Gloves
Wear appropriate personal protective gloves before handling the dried cathode sheet. - Weld on Tab Area
Weld electrical leads strictly on the designated uncoated tab area of the cathode sheet. - Assemble in Controlled Environment
Assemble the cathode into the cell stack within a dry room or inert gas glove box to prevent moisture exposure.
How does the 95.3% active material ratio in the NFM111 cathode sheet influence the areal density uniformity and overall cell reproducibility?
The active material ratio is 95.3% in the dry coating, and the product enforces strict areal density uniformity control. This combination ensures reproducible battery performance and supports the engineered high specific capacity and energy density targets, as stated in the product specifications.
What substrate material is used for the NFM111 cathode sheet and how does it contribute to electrode performance?
The substrate is carbon-coated aluminum foil. The pre-coated carbon layer enhances electron conductivity and improves foil adhesion, which together optimize the electrode interface and contribute to the overall performance of the cathode sheet.
What are the critical handling and storage requirements for the NFM111 cathode sheet to prevent moisture contamination?
The cathode sheet must be vacuum dried at 120°C for at least 12 hours prior to use to eliminate moisture. Assembly should be performed in a dry room or inert gas glove box, and appropriate protective gloves must be worn during handling to maintain material integrity.
This NFM111 cathode sheet on carbon-coated aluminum foil is designed for high-capacity sodium-ion battery research, with strict areal density uniformity and ISO 9001 processing, but requires vacuum drying at 120°C for ≥12 hours and inert atmosphere assembly.
Positive
- Optimized Interface with Carbon Coating: The pre-coated carbon layer on aluminum foil enhances electron conductivity and improves adhesion of the active material, reducing interfacial resistance.
- Strict Areal Density Uniformity Control: The coating is manufactured under strict areal density uniformity control, ensuring reproducible electrochemical performance across batches for reliable lab testing.
Trade-offs
- Mandatory Vacuum Drying Protocol: The cathode sheets must be vacuum dried at 120°C for at least 12 hours prior to use to eliminate moisture, adding a time-consuming pre-processing step.
- Inert Atmosphere Assembly Required: Cell assembly is recommended within a dry room or inert gas glove box to prevent moisture contamination, requiring specialized laboratory infrastructure.
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 excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
