Description
Sodium Metal Discs (Φ15.6mm × 0.45mm Research Grade)COMMERCIAL GRADE · PRODUCTION
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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: PRODUCTION DIVISION · ADVANCED ENERGY STORAGE DIVISION
Brand: INDUSTRIAL TESTING HARDWARE
Specifications are representative and subject to change without notice. For the latest version and compliance certificates, contact official sales channel.
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The sodium metal disc is highly reactive with ambient moisture and oxygen, requiring storage and handling under inert atmosphere conditions to prevent degradation. The material exhibits mechanical sensitivity at reduced thicknesses, necessitating a current collector support for discs ≤0.2 mm to maintain dimensional stability.
- Environmental Handling Constraint: The sodium metal disc must be processed and stored exclusively within an argon-filled glovebox to prevent oxidative degradation and ensure electrochemical integrity.
- Thickness-Dependent Support Requirement: Discs with thickness at or below 0.2 mm require an integral metallic current collector (aluminum or copper) to avoid localized plastic deformation during cell assembly.
- Electrochemical Compatibility Constraint: The disc is intended for sodium-ion half-cell testing and must be used only with compatible electrolyte systems to preclude parasitic side reactions.
The sodium metal disc must be transferred from its sealed packaging into an inert atmosphere glovebox before any cell assembly step. Proper handling techniques prevent oxidative damage and ensure consistent electrochemical performance during half-cell testing.
Required Equipment: Argon-filled glovebox
- Glovebox Transfer
Transfer the sealed sodium disc package into an argon-filled glovebox through the antechamber to prevent ambient exposure. - Package Opening and Inspection
Open the moisture-barrier packaging inside the glovebox and visually inspect the disc for discoloration or surface irregularities. - Disc Placement
Position the sodium disc onto the pre-assembled half-cell fixture, ensuring centric alignment with the current collector. - Cell Sealing
Confirm proper electrical contact between the disc and the current collector, then seal the half-cell container according to the cell assembly protocol.
Is a current collector support required for the 0.45 mm thick sodium disc to avoid plastic deformation during cell assembly?
No, the current-collector support is only strictly recommended for thicknesses ≤0.2 mm to eliminate localized plastic deformation. For the 0.45 mm thickness, the free-standing unsupported configuration is acceptable without risk of deformation.
Can these sodium metal discs be used in full sodium-ion cell assembly or are they limited to half-cell configurations?
These discs are specifically engineered as a half-cell verification platform to establish baseline testing control and cell-to-cell consistency in sodium-ion battery electrochemical analysis. They are not designed for full-cell assembly, as their primary role is to serve as a reference/counter electrode for electrolyte and material validation.
What handling advantages do the current-collector-supported sodium discs offer over the free-standing unsupported version?
The aluminum and copper foil current collector substrates provide perfect mechanical flatness and prevent tearing during handling, solving common pain points with delicate alkali metal films. For discs at 0.45 mm thickness, the free-standing version is still usable, but supported versions eliminate the risk of localized deformation entirely.
This Atomfair sodium metal disc provides high-purity sodium with homogeneous elemental distribution for consistent half-cell electrochemical testing. The 15.6 mm diameter and 0.45 mm thickness available with aluminum, copper, or unsupported backing offer configuration flexibility, but the material's reactivity demands inert atmosphere handling and careful selection of supported variants for thin-film applications.
Positive
- Homogeneous Material Purity: Uncompromised structural configuration with highly uniform elemental distribution across the alkali matrix prevents parasitic electronic leakage, ensuring reliable electrochemical performance.
- Optimized Microstructure with Substrate Backing: Standard aluminum foil substrate backing guarantees perfect mechanical flatness, solving long-tail handling issues and tearing risk for delicate film assembly.
Trade-offs
- Environmental Sensitivity Requires Hermetic Packaging: The disc is shipped in a primary hermetic vial with protective film and high-barrier aluminum pouch, indicating that exposure to ambient moisture or oxygen can compromise material integrity during storage or handling.
- Handling Constraints for Thin Configurations: For thickness levels ≤0.2 mm, current-collector supported discs are strictly recommended to eliminate localized plastic deformation, requiring careful handling technique and selection of supported variants for thin samples.
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 for completely unopened items).
