316SS Coin Cell Conical Spring for CR2032, Diameter: 15.4 mm, Height: 1.2 mm, Thickness: 0.25 mm

Technical Specification:

1. Material Composition:
   • Material: 316 Stainless Steel (316SS).
     • Exceptional corrosion resistance, particularly in chemically aggressive environments like lithium-ion batteries.
     • High mechanical strength and flexibility for repeated use.
2. Physical Dimensions:
   • Outer Diameter: 15.4 mm.
   • Height: 1.2 mm (free height).
   • Thickness: 0.25 mm.
   • Inner Diameter: Matches standard CR2032 coin cell dimensions for precise fit.
3. Mechanical Properties:
   • Elasticity: Engineered to maintain consistent compression forces over multiple cycles.
   • Load Capacity: Optimized to apply the required pressure for reliable contact between electrodes and other internal components.
   • Spring Deflection: Designed to compress predictably under typical battery assembly loads.
4. Corrosion Resistance:
   • Excellent resistance to oxidation and electrolyte-induced degradation.
   • Ensures longevity in high-humidity or high-salt environments.
5. Thermal Stability:
   • Operating Temperature Range: Performs reliably from -20°C to 60°C, suitable for lithium-ion battery operation.
   • Heat Resistance: Withstands elevated temperatures during cell formation and testing processes.
6. Surface Finish:
   • Polished for smooth, burr-free edges to prevent damage to adjacent battery components.
   • Uniform surface ensures consistent pressure distribution.

Applications:

1. Primary Applications:
   • Conical Spring for CR2032 Coin Cell Assembly:
     • Ensures stable pressure and reliable contact between electrodes, separator, and other cell components.
2. Industries:
   • Battery Research:
     • Essential for assembling test coin cells for evaluating new anode, cathode, and electrolyte materials.
   • Energy Storage Development:
     • Supports prototyping and testing of advanced battery systems, including solid-state designs.
   • Consumer Electronics:
     • Used in commercial CR2032 batteries for devices like watches, sensors, and medical equipment.
3. Advantages for Applications:
   • Consistent Pressure:
     • Maintains stable contact between electrodes, improving cell performance and longevity.
   • Corrosion Resistance:
     • Ensures long-term durability in chemically active environments.
   • Compact Design:
     • Fits seamlessly within the tight dimensions of CR2032 coin cells.
   • Reusability:
     • Robust design allows for repeated use in laboratory and testing setups.
4. Specialized Uses:
   • Solid-State Battery Prototypes:
     • Ensures proper compression for testing solid electrolytes and advanced anode materials.
   • Material Optimization:
     • Supports research on high-capacity and high-voltage cathodes.
   • Custom Coin Cell Configurations:
     • Suitable for tailored experimental setups in R&D environments.
5. Challenges and Mitigation:
   • Spring Fatigue:
     • May lose elasticity after extended use in high-frequency testing.
       • Solution: Periodic replacement to maintain performance.
   • Dimensional Tolerances:
     • Minor variations in height or diameter can affect assembly precision.
       • Solution: Source springs with precise manufacturing tolerances.

Summary:

The 316 Stainless Steel Coin Cell Conical Spring (Diameter: 15.4 mm, Height: 1.2 mm, Thickness: 0.25 mm) is a critical component for assembling CR2032 coin cells. It ensures consistent pressure and reliable contact between internal components, enhancing the performance and stability of lithium-ion batteries. With its superior corrosion resistance, thermal stability, and mechanical durability, this spring is ideal for both research and commercial applications in energy storage development.