304SS Coin Cell Conical Spring for CR2032, Diameter: 15.4 mm, Height: 1.1 mm, Thickness: 0.25 mm

Technical Specification:

1. Material Composition:
   • Material: 304 Stainless Steel (304SS).
     • High resistance to corrosion and chemical degradation in lithium-ion battery environments.
     • Durable and flexible for repeated compression and expansion.
2. Physical Dimensions:
   • Outer Diameter: 15.4 mm.
   • Height: 1.1 mm (free height).
   • Thickness: 0.25 mm.
   • Inner Diameter: Optimized to fit standard CR2032 coin cell cases.
3. Design Features:
   • Conical Shape:
     • Provides consistent and focused pressure distribution.
     • Allows compact stacking in coin cell assemblies.
   • Spring Deflection:
     • Engineered for optimal deflection under compression, maintaining contact between components.
4. Mechanical Properties:
   • Elasticity: Designed to withstand repeated cycles without significant deformation.
   • Load Capacity: Optimized for maintaining proper pressure on electrodes.
   • Durability: Resistant to mechanical fatigue over multiple compression cycles.
5. Corrosion Resistance:
   • Excellent resistance to oxidation and compatibility with various battery chemistries, including liquid electrolytes and lithium metal.
6. Thermal Stability:
   • Operating Temperature Range: Stable under standard lithium-ion battery testing conditions (-20°C to 60°C).
   • Heat Resistance: Suitable for elevated temperatures during formation or testing.

Applications:

1. Primary Applications:
   • Spring for CR2032 Coin Cell Assembly:
     • Ensures consistent pressure and secure contact between electrodes and other cell components.
2. Industries:
   • Battery Research:
     • Essential in assembling CR2032 coin cells for testing novel anode, cathode, and electrolyte materials.
   • Consumer Electronics:
     • Used in commercial coin cells for devices like watches, hearing aids, and sensors.
   • Energy Storage Development:
     • Supports advanced research on lithium-ion, lithium-metal, and solid-state batteries.
3. Advantages for Applications:
   • Consistent Pressure:
     • Maintains stable contact and prevents electrode misalignment during charge/discharge cycles.
   • Corrosion Resistance:
     • Prolongs the lifespan of the spring in harsh chemical environments.
   • Compact Design:
     • Fits perfectly within CR2032 coin cell cases without compromising performance.
   • Reusable:
     • Robust construction allows for multiple testing cycles in laboratory environments.
4. Specialized Uses:
   • Solid-State Battery Prototypes:
     • Ideal for ensuring proper compression in solid-state coin cells.
   • Advanced Material Testing:
     • Supports research in high-capacity and high-voltage battery materials.
   • Precision Battery Assembly:
     • Enables reliable assembly of high-performance coin cells.
5. Challenges and Mitigation:
   • Spring Fatigue:
     • Prolonged use may lead to a loss of elasticity.
       • Solution: Inspect and replace springs periodically for consistent results.
   • Dimensional Tolerances:
     • Variations in height or thickness could affect assembly.
       • Solution: Source springs with precise manufacturing tolerances.

Summary:

The 304 Stainless Steel Conical Spring for CR2032, with dimensions of 15.4 mm diameter, 1.1 mm height, and 0.25 mm thickness, is a crucial component for ensuring proper assembly and functionality of coin cells. Its conical design provides uniform pressure distribution, while its corrosion resistance and thermal stability make it suitable for a wide range of battery chemistries. This spring is essential for both research and commercial applications, particularly in lithium-ion and solid-state battery development.