Battery supporting materials
Stainless Steel 304 CR2450 Coin Cell Cases with Gaskets for Battery Research
Item Number : FZ04
Price varies based on specs and customizations
- Material Composition
- 304 Stainless Steel (SS304) with Polypropylene (PP) Gasket
- Nominal Dimensions
- 24.0 mm (Diameter) × 5.0 mm (Height)
- Component Configuration
- Positive Can (Cathode), Negative Cap (Anode), and PP Sealing Gasket
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Product Overview
This premium coin cell hardware set provides an exceptional foundation for advanced electrochemical evaluation, energy storage research, and precision electrode characterization. Fabricated from high-purity 304 stainless steel, each set consists of a deep-drawn positive (cathode) can, a precision-engineered negative (anode) cap, and an insulating polypropylene (PP) sealing gasket. Designed specifically to accommodate the substantial volumetric demands of thicker electrode matrices, solid-state electrolyte pellets, and multilayer separator stacks, the hardware guarantees exceptional mechanical integrity and dimensional uniformity across demanding testing cycles.
Optimized for academic laboratories, corporate energy research departments, and industrial quality assurance testing, this platform serves as an indispensable standard for half-cell and full-cell battery prototyping. The components are thoroughly compatible with lithium-ion, lithium-metal, sodium-ion, and next-generation battery chemistries. By establishing an isolated, hermetically sealed internal environment, the cell architecture eliminates atmospheric contamination, moisture ingress, and solvent evaporation during long-term cycling and rate capability assessments.
Engineered to withstand high-tonnage crimping without mechanical distortion or micro-cracking, the hardware maintains dimensional stability and internal pressure across prolonged thermal and electrical operational envelopes. The chemically passivated 304 stainless steel substrate delivers outstanding resistance against electrolyte-induced pitting and chemical degradation, giving researchers total confidence in obtaining reproducible, noise-free impedance measurements and cycling metrics.
Key Features
- High-Purity 304 Stainless Steel Construction: Manufactured from certified grade 304 stainless steel with superior chemical inertness, providing excellent resistance to standard organic carbonates, ether-based electrolytes, and ionic liquids across typical operating voltage windows.
- Precision-Molded Polypropylene Sealing Gasket: Features a resilient, chemically resistant PP gasket pre-fitted to the anode cup, ensuring hermetic sealing under crimping pressure and preventing internal micro-shorting between opposing polarities.
- Optimized Volumetric Depth: The 5.0 mm profile provides expanded internal clearance specifically tailored for high-mass-loading electrodes, thick separator stacks, and bulk solid-state electrolyte pellets without risk of crushing internal layers.
- Ultra-Tight Dimensional Tolerances: Fabricated using precision progressive deep-drawing dies to ensure uniform wall thickness, zero edge burrs, and strict concentricity, facilitating seamless integration with automated and manual crimping machines.
- Consistent Electrical Conductivity: Delivers minimal contact resistance across the external casing surfaces, preventing parasitic voltage drops and ensuring accurate rate-capability and electrochemical impedance spectroscopy (EIS) data.
- Excellent Mechanical Strength: Built with robust sidewall structural integrity to withstand internal gas evolution and mechanical pressure variations during high-rate charge and discharge cycles without hermetic seal failure.
- Cleanroom-Grade Processing: Degreased and surface-cleaned during production to eliminate residual manufacturing oils and particulate matter, drastically reducing unwanted background reactions in sensitive cell chemistries.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Thick-Film Lithium-Ion Battery Research | Evaluation of high-capacity cathode and anode formulations requiring elevated active material mass loadings. | Ample 5.0 mm vertical cavity eliminates excessive mechanical compression on thick electrode structures. |
| Solid-State Electrolyte Testing | Prototyping solid-state cells utilizing ceramic or compressed polymer electrolyte discs requiring sustained internal stack pressure. | Robust casing walls maintain dimensional stability without warping under uniform axial crimping force. |
| Sodium-Ion & Potassium-Ion Systems | Characterization of emerging non-lithium electrode materials and corresponding novel liquid/gel electrolyte formulations. | Passivated 304 stainless steel surfaces resist localized corrosion from alternative salts and corrosive ionic species. |
| Supercapacitor & Hybrid Capacitor R&D | Assembly and cycle-life testing of double-layer capacitive materials and pseudocapacitive electrode composites. | Low internal contact resistance and airtight seals enable ultra-low ESR measurements and extended life testing. |
| Electrolyte Formulation & Additive Screening | Long-term stability testing of high-voltage electrolytes, anti-gassing additives, and non-flammable solvent blends. | Reliable hermetic enclosure prevents volatile solvent leakage and ambient moisture contamination over months of testing. |
| Standard Laboratory Half-Cell Prototyping | Routine electroactive material screening against lithium foil or sodium reference counter electrodes. | Complete assembly sets streamline experimental throughput with standardized, highly repeatable cell hardware. |
Technical Specifications
| Variant Identifier | Standard Model | Outer Diameter (mm) | Total Height / Thickness (mm) | Material Composition | Gasket Type | Standard Package Contents |
|---|---|---|---|---|---|---|
| FZ04-CR2450 | CR2450 | 24.0 ± 0.05 | 5.0 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
| FZ04-CR2325 | CR2325 | 23.0 ± 0.05 | 2.5 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
| FZ04-CR2032 | CR2032 | 20.0 ± 0.05 | 3.2 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
| FZ04-CR2025 | CR2025 | 20.0 ± 0.05 | 2.5 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
| FZ04-CR2016 | CR2016 | 20.0 ± 0.05 | 1.6 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
| FZ04-CR1820 | CR1820 | 18.0 ± 0.05 | 2.0 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
| FZ04-CR1632 | CR1632 | 16.0 ± 0.05 | 3.2 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
| FZ04-CR1620 | CR1620 | 16.0 ± 0.05 | 2.0 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
| FZ04-CR1616 | CR1616 | 16.0 ± 0.05 | 1.6 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
| FZ04-CR1220 | CR1220 | 12.5 ± 0.05 | 2.0 ± 0.05 | 304 Stainless Steel | Polypropylene (PP) | Cathode Can, Anode Cap, PP Gasket |
Additional Material & Engineering Parameters
| Engineering Parameter | Specification Value |
|---|---|
| Base Material Grade | Certified AISI 304 Stainless Steel |
| Gasket Material | High-Density Polypropylene (PP) |
| Corrosion Resistance | Passivated surface resistant to typical LiPF6, LiTFSI, and NaPF6 electrolytes |
| Operating Temperature Range | -40°C to 120°C (dependent on internal separator and electrolyte limits) |
| Compatible Crimping Dies | Standard commercial hydraulic and electric coin cell crimping dies |
| Surface Finish | Smooth, burr-free deep-drawn finish |
Why Choose This Product
- Superior Manufacturing Consistency: Every batch is fabricated with progressive precision tooling, guaranteeing zero dimensional deviation, reliable fitment with crimping dies, and uniform compression across all cell assemblies.
- Zero-Leakage Hermetic Sealing: Specially formulated polypropylene sealing rings provide optimal mechanical elasticity, forming an impermeable barrier against atmospheric oxygen, moisture, and electrolyte evaporation.
- High Chemical & Electrochemical Stability: Made of premium 304 stainless steel that undergoes rigorous surface degreasing and passivation, preventing electrochemical side reactions and enabling accurate cyclic voltammetry and galvanostatic cycling.
- Comprehensive Lab Workflow Compatibility: Fully compatible with standard laboratory coin cell crimping equipment, glovebox integration, spacers, wave springs, and multichannel battery analyzers.
Contact our technical sales team today to request a tailored quote, order sample batches, or discuss customized material grades and bulk packaging solutions for your battery laboratory.
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