Description
ATOMFAIR® NA-L400 SODIUM METAL STRIP BANDRESEARCH 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 high-purity sodium metal strip is highly reactive with moisture and oxygen, requiring storage in an inert atmosphere to prevent oxidation and degradation. The material must be handled exclusively within an argon-filled glovebox to maintain electrochemical integrity and avoid hazardous reactions.
- Atmospheric Sensitivity: Sodium metal reacts vigorously with atmospheric moisture and oxygen, necessitating storage and handling in a controlled inert environment.
- Containment Requirement: All processing and assembly steps must be performed inside an argon-filled glovebox with oxygen and moisture levels below 1 ppm.
- Degradation Risk: Exposure to ambient air causes rapid surface oxidation and tarnishing, compromising electrochemical performance and introducing cell-to-cell variability.
This procedure outlines the safe handling, cutting, and integration of the sodium metal strip into a half-cell configuration within an inert atmosphere. Strict adherence to these steps prevents material degradation and ensures reproducible electrochemical testing.
Required Equipment: Argon-filled glovebox (O2 and H2O < 1 ppm), Ceramic or PTFE-coated scissors, Stainless steel tweezers
- Transfer to Glovebox
Transfer the sealed sodium metal strip package into the argon-filled glovebox without exposing it to ambient air. - Open Packaging
Open the vacuum-sealed packaging inside the glovebox using ceramic or PTFE-coated scissors to avoid contamination. - Cut to Desired Size
Cut the sodium band to the required dimensions using clean ceramic or PTFE-coated scissors, ensuring a straight edge. - Inspect Surface Quality
Inspect the cut sodium surface for any discoloration or oxidation; discard any pieces showing tarnishing. - Assemble Half-Cell
Place the cut sodium strip onto the designated current collector or directly into the cell casing using stainless steel tweezers. - Seal Cell Immediately
Seal the assembled half-cell within the glovebox to prevent any exposure to reactive gases before electrochemical testing.
How does the choice between free-standing and current collector-backed NA-L400 sodium strip affect electrochemical testing consistency in high-rate cycling?
The current collector-backed configuration (aluminum or copper foil at 150 mm width) provides superior mechanical stability and uniform current distribution compared to the free-standing variant, reducing the risk of wrinkling and deformation during cycling. The free-standing configuration eliminates additional interfacial resistance but requires careful thermal-assisted release (pre-heating above 50°C) to avoid tearing, making it less consistent for high-throughput validation.
What collector backing is compatible with the NA-L400 sodium strip for solid-state electrolyte testing under high stack pressure?
For solid-state electrolyte testing under high stack pressure, the aluminum or copper foil backed configurations are recommended because the 0.4 mm thick sodium matrix is integrated onto a 150 mm wide metal foil collector that provides a rigid backplane. The free-standing configuration lacks this support and is prone to mechanical failure under compression, compromising interfacial contact.
What are the specific storage and handling requirements to preserve the ≥99.9% purity of the NA-L400 sodium metal strip before cell assembly?
The NA-L400 is stored in a hermetic argon-filled vacuumed aluminum foil bag housed within a rigid external canister to shield the reactive sodium (≥99.9% purity) from ambient moisture and oxygen. All subsequent handling and cell assembly must be performed in an inert atmosphere glovebox to maintain electrochemical integrity, as even brief air exposure can degrade the surface.
The ATOMFAIR NA-L400 sodium metal strip band provides a high-purity (≥99.9%) sodium platform with integrated aluminum or copper current collectors, designed to reduce mechanical deformation and ensure uniform current distribution for sodium-ion half-cell testing. Its hermetic argon-filled packaging preserves reactive boundaries from moisture, but the 0.4 mm matrix thickness and free-standing configuration require careful thermal handling to avoid wrinkling during film release.
Positive
- Integrated current collector stability: Aluminum or copper foil backing mitigates wrinkling and mechanical deformation in ultra-thin structures (≤0.2 mm), providing a rigid backplane for high-yield validation in cycling setups.
- Hermetic dual-layer moisture protection: Packaged under premium ultra-pure protective matrices with argon-filled vacuum sealing, shielding the reactive sodium surface from ambient trace moisture degradation to maintain analytical repeatability.
Trade-offs
- Thermal pre-treatment required for free-standing films: Free-standing configurations have low substrate grip; pre-heating above 50°C on a laboratory hotplate is necessary to alleviate release resistance and avoid wrinkling or tearing.
- Sensitivity to mechanical deformation in thin structures: Ultra-thin sodium matrices (≤0.2 mm) are highly susceptible to severe mechanical deformation without integrated foil backing, requiring careful handling during cell assembly.
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).
