Battery supporting materials
CR2032 Aluminum Coated Coin Cell Cases for High Voltage Battery Research
Item Number : FZ06
Price varies based on specs and customizations
- Cell Format & Dimensions
- CR2032 (20 mm Dia. × 3.2 mm H)
- Cathode Shell Construction
- Aluminum-Coated (>4.5V Stable)
- Anode Shell & Sealing
- 304 Stainless Steel with Insulating O-Ring
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Product Overview
This specialized coin cell hardware provides an advanced containment solution for next-generation energy storage research. Featuring a precision-applied internal aluminum coating on the positive cathode shell, the assembly effectively mitigates parasitic electrolyte reactions that typically degrade standard stainless steel enclosures at elevated potentials. It is an indispensable component for researchers and developers evaluating high-voltage cathode chemistries, solid-state electrolytes, and novel high-energy cell formulations.
Designed specifically for rigorous academic investigations, industrial pilot lines, and specialized electrochemistry laboratories, this hardware enables stable cyclic and potentiostatic testing above 4.5V. The complete set integrates an aluminum-clad positive case with a precision-stamped 304 stainless steel negative case, pre-fitted with an engineered insulating O-ring to ensure hermetic sealing and prevent internal short-circuiting during crimping.
Engineered to exacting dimensional tolerances, this enclosure guarantees consistent mechanical contact, optimized interfacial pressure distribution, and reproducible internal cell resistance across extensive test batches. Its robust construction ensures exceptional electrochemical inertness and structural integrity under demanding testing regimes, providing researchers with reliable, noise-free analytical data.
Key Features
- Internal Aluminum Barrier Layer: The cathode enclosure incorporates a high-purity aluminum inner coating that forms a stable, self-passivating oxide film under high-voltage conditions exceeding 4.5V, effectively eliminating transitional metal dissolution and electrolyte oxidation on the casing wall.
- Premium 304 Stainless Steel Substrate: Stamped from high-grade 304 stainless steel, the outer shell architecture exhibits superior mechanical stiffness and tensile strength, resisting mechanical deformation during pneumatic or hydraulic crimping.
- Integrated Polymer Insulating O-Ring: Each negative casing comes pre-fitted with a precision-molded sealing gasket that prevents electrical short circuits, resists corrosive electrolyte permeation, and ensures an airtight, moisture-impermeable seal.
- Standardized CR2032 Form Factor: Precision-machined to standard 20 mm outer diameter and 3.2 mm overall height dimensions, ensuring seamless compatibility with standard coin cell crimpers, automated cell holders, and multi-channel battery cyclers.
- Suppression of Anodic Dissolution: Dramatically minimizes stray anodic corrosion currents and unwanted parasitic side reactions, safeguarding baseline electrochemical signals in sensitive cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) measurements.
- Uniform Surface Finish: Ultra-smooth internal and external surfaces provide low contact resistance and homogeneous electrical conductivity across the electrode-to-case interfaces without requiring aggressive pre-treatment.
- Convenient Research Packaging: Supplied in clean, sealed packs of 10 complete sets per bag, protecting delicate coating layers and insulating gaskets from laboratory ambient moisture and particulate contamination prior to glovebox transfer.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| High-Voltage Cathode Evaluation | Testing nickel-rich layered oxides (NMC811, NMC622), lithium-rich manganese-based (LMR) materials, and high-voltage spinel (LNMO) operating above 4.5V. | Prevents stainless steel pitting corrosion and electrolyte breakdown, ensuring accurate long-term capacity retention data. |
| Solid-State Electrolyte Screening | Characterizing ionic conductivity, critical current density, and chemical stability of halide, oxide, and polymer solid electrolytes. | Eliminates stray redox reactions at the positive interface, isolating true electrolyte breakdown potentials. |
| Novel High-Potential Electrolyte Formulation | Investigating fluorinated solvents, high-voltage film-forming additives, and ionic liquids up to 5.0V cutoff limits. | Provides an electrochemically inert testing vessel that prevents casing-induced electrolyte degradation. |
| Sodium-Ion Battery Development | Assembling high-voltage sodium-ion coin cells utilizing polyanionic and layered transition metal oxide cathode materials. | Offers excellent chemical resistance against reactive sodium electrolyte formulations and prevents parasitic side currents. |
| Electrochemical Impedance Spectroscopy (EIS) | Conducting ultra-low noise frequency response analysis across broad temperature and voltage ranges. | Maintains stable interfacial contact resistance without baseline drift caused by shell oxidation or corrosion products. |
| Academic Material Science Research | Fundamental battery chemistry characterization, electro-catalytic degradation studies, and advanced material benchmarking. | Delivers reproducible, peer-review-grade experimental data with minimal standard deviation across multiple test batches. |
Technical Specifications
| Parameter | Specification (FZ06) |
|---|---|
| Item Code | FZ06 |
| Cell Format | CR2032 |
| Outer Diameter (d) | 20.0 mm |
| Total Height | 3.2 mm |
| Positive (Cathode) Case Material | Stainless steel with internal aluminum layer (Al-coated) |
| Negative (Anode) Case Material | 304 Stainless Steel |
| Operating Voltage Stability | Stable at high voltage (>4.5V vs. Li/Li⁺) |
| Corrosion Protection Mechanism | Passivating Al barrier preventing electrolyte-to-steel reaction |
| Sealing Gasket / Insulation | Pre-installed precision insulating O-ring |
| Packaging Unit | 10 sets per bag |
Why Choose This Product
- Superior High-Potential Passivation: Unlike conventional bare stainless steel casings that suffer severe pitting corrosion and catalytic electrolyte decomposition when cycled above 4.3V, this hardware provides an impenetrable aluminum barrier that maintains stability even past 4.5V.
- Rigorous Manufacturing Tolerances: Fabricated under tight dimensional control to guarantee uniform rim clearance, flawless seating of the insulating gasket, and zero risk of crushing or edge leakage during standard sealing procedures.
- Preserved Analytical Integrity: By isolating baseline current responses from casing artifacts, this enclosure guarantees that measured columbic efficiency, impedance values, and cycle life directly reflect active electrode performance.
- Direct Compatibility: Seamlessly integrates with conventional manual, electric, and pneumatic coin cell crimping dies, requiring no specialized tooling adjustments or custom spacers.
Elevate the precision and reproducibility of your high-voltage electrochemical research. Contact our technical sales team today to request a quote, place bulk orders, or discuss specialized battery testing hardware solutions tailored to your laboratory workflow.
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