Description

Product Datasheet: Atomfair NFM111 Cathode Sheet for Sodium-Ion Batteries

Product Name: Atomfair Sodium Nickel Iron Manganese Oxide (NFM111) Cathode Sheet on Carbon-Coated Aluminum Foil

Product Overview:
This product is a high-performance cathode sheet designed for sodium-ion battery research and manufacturing. The core active material is cost-effective NFM111 (Sodium Nickel Iron Manganese Oxide), precisely coated onto premium carbon-coated aluminum foil. The sheet features a well-defined uncoated tab area, facilitating easy welding and assembly for both stacked and wound cell configurations, providing a ready-to-use, high-quality component for your cell development.

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Key Features & Benefits:

• Precision Coating Design: Clearly defined boundaries between the active material area and the collector tab ensure compatibility with standard cell manufacturing processes.
• High Active Material Ratio: A high active material content of 95.3% in the dry coating ensures high specific capacity and energy density.
• Optimized Interface: The pre-coated carbon layer on the aluminum foil significantly enhances conductivity and adhesion between the active coating and the current collector, improving rate capability and cycle life.
• Superior Consistency: Strict production controls guarantee excellent areal density uniformity, ensuring reliable and reproducible battery performance.

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Detailed Specifications:

Parameter	Specification	Notes
Product Code	AT-NFM111-CA-184×100
Active Material	Sodium Nickel Iron Manganese Oxide (NFM111)
Current Collector	Carbon-Coated Aluminum Foil
Sheet Overall Size (L x W)	184 ± 1.0 mm x 100 ± 1.0 mm	Includes uncoated tab area.
Active Coating Area Size (L x W)	152 ± 1.0 mm x 100 ± 1.0 mm
Uncoated Tab Length	32 mm (Single or double side, TBD)	Primarily for tab welding.
Total Areal Density	10.0 ± 0.5 mg/cm² (Single-sided)	Refers to the total dried coating density (includes active material, conductor, binder).
Active Material Areal Density	~9.53 mg/cm² (Calculated)	(Based on 10.0 mg/cm² total density × 95.3% active ratio)
Active Material Ratio	95.3%	Mass ratio in the dried coating.
Carbon Layer Density (on Foil)	3.63 mg/cm²	Property of the supplied current collector.
Recommended Calendering Density	3.0 g/cm³

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Applications:

• Sodium-Ion Battery R&D and Cell Prototyping
• Academic Research & Material Evaluation
• Small-Batch Sodium-Ion Battery Production
• Energy Storage System (ESS) Prototype Development
• Power Battery Pack Process Exploration

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Packaging & Storage:

• Packaging: Each sheet is separated by a protective film. Vacuum-sealed in aluminum-lined bags and shipped in rigid boxes to prevent moisture, shock, and crushing.
• Storage: Store in a low-humidity environment (e.g., dry cabinet, <20% RH). For long-term storage, it is highly recommended to store in an inert atmosphere (e.g., Argon glove box) to prevent material degradation.

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Handling Instructions:

1. Prior to use, dry the sheets according to your cell assembly process (e.g., vacuum drying at 120°C for ≥ 12 hours).
2. Wear appropriate gloves during handling to avoid direct contact with the active coating.
3. Welding should be performed on the uncoated tab area.
4. For optimal battery performance, cell assembly is recommended in a dry room or glove box environment.

For further information, samples, or custom specifications, please contact our technical sales team support@atomfair.com