CR2032 Coin Cell Cases with 304SS, Diameter: 20 mm, Height: 3.2 mm

Technical Specification:

1. Material Composition:
   • Material: 304 Stainless Steel (304SS).
     • High corrosion resistance and mechanical strength.
     • Non-reactive with lithium-ion electrolytes and electrode materials, ensuring durability.
2. Physical Dimensions:
   • Outer Diameter: 20 mm (standard CR2032 size).
   • Height: 3.2 mm.
   • Thickness: Optimized for strength while maintaining lightweight characteristics.
3. Components:
   • Negative Case:
     • Serves as the housing base and the connection point for the negative electrode (anode).
   • Positive Case:
     • Top cover of the coin cell, providing contact with the positive electrode (cathode).
   • Optional Accessories:
     • Cone spring, spacer, and sealing gaskets to ensure proper assembly and contact.
4. Surface Properties:
   • Polished Finish: Ensures smooth edges and uniform surfaces to prevent leaks and improve sealing.
   • Corrosion Resistance: Protects against oxidation and degradation caused by electrolyte exposure.
5. Mechanical Properties:
   • Strength: Durable enough to withstand assembly pressures and operational stresses.
   • Precision Fit: Tight tolerances for secure and reliable assembly.
6. Thermal Stability:
   • Operating Temperature Range: Stable from -20°C to 60°C, suitable for lithium-ion battery applications.
   • Can tolerate elevated temperatures during formation or high-temperature testing.
7. Compatibility:
   • Designed for use with standard CR2032 coin cell components, including springs, spacers, electrodes, and separators.

Applications:

1. Primary Applications:
   • Coin Cell Assembly for Lithium-Ion Battery Research:
     • Used for testing and developing novel battery materials, such as new cathode, anode, and electrolyte chemistries.
2. Industries:
   • Battery Research and Development:
     • Essential for prototyping and evaluating next-generation energy storage technologies.
   • Consumer Electronics:
     • Standard case for commercial CR2032 coin cells in devices like watches, medical equipment, and sensors.
   • Energy Storage Development:
     • Supports advancements in solid-state and lithium-metal battery designs.
3. Advantages for Applications:
   • Corrosion Resistance:
     • Ensures long-term reliability in harsh chemical environments.
   • Dimensional Precision:
     • Provides consistent assembly for reliable testing and operation.
   • Reusable:
     • Suitable for multiple uses in laboratory settings, reducing costs in research and prototyping.
   • High Compatibility:
     • Works with a variety of battery materials and designs, making it versatile for different applications.
4. Specialized Uses:
   • Solid-State Battery Research:
     • Ideal for testing solid electrolytes and lithium-metal anodes in compact formats.
   • High-Voltage Material Testing:
     • Compatible with advanced cathodes operating at higher voltages (>4.5 V).
   • Custom Experimental Setups:
     • Used in creating tailored configurations for specific research objectives.
5. Challenges and Mitigation:
   • Sealing Precision:
     • Poor sealing can result in electrolyte leakage or short circuits.
       • Solution: Ensure proper gaskets and careful assembly.
   • Material Fatigue:
     • Extended use or improper handling may deform the cases.
       • Solution: Periodic inspection and replacement for consistent results.

Summary:

The CR2032 Coin Cell Case (304 Stainless Steel) with dimensions 20 mm diameter and 3.2 mm height is a robust and versatile component for lithium-ion battery assembly. It provides excellent corrosion resistance, thermal stability, and precise tolerances, making it ideal for both research and commercial applications. Whether for prototyping in laboratories or producing coin cells for consumer electronics, this case supports reliable and consistent performance.