18650 Nickel Strip for Battery Tab, Width: 4 mm, Thickness: 0.1 mm, 1 Roll: 1 kg

Technical Specification:

1. Material Composition:
   • Material: Pure nickel (≥99.6% purity).
     • Ensures excellent electrical conductivity and corrosion resistance.
2. Physical Dimensions:
   • Width: 4 mm.
   • Thickness: 0.1 mm.
   • Roll Weight: 1 kg
3. Electrical Properties:
   • Conductivity:
     • Low electrical resistance for efficient current transfer in high-drain battery applications.
   • Thermal Conductivity:
     • Excellent heat dissipation to prevent overheating during high current loads.
4. Mechanical Properties:
   • Malleability:
     • Easy to shape and weld, suitable for spot-welding to battery terminals.
   • Tensile Strength:
     • Strong enough to withstand mechanical stress during assembly and operation.
5. Surface Treatment:
   • Polished or smooth finish to improve welding performance and contact reliability.
6. Corrosion Resistance:
   • Resists oxidation and degradation in lithium-ion battery environments.

Applications:

1. Primary Applications:
   • Battery Tab Material:
     • Used to connect 18650 cells in battery packs, ensuring efficient electrical connections.
2. Industries:
   • Battery Pack Assembly:
     • Essential for assembling battery packs for electric vehicles (EVs), power tools, and energy storage systems (ESS).
   • Consumer Electronics:
     • Applied in portable device battery packs such as laptops, flashlights, and power banks.
   • Battery Research and Development:
     • Integral in prototyping and testing custom battery configurations.
3. Advantages for Applications:
   • High Conductivity:
     • Reduces power losses and improves energy efficiency.
   • Corrosion Resistance:
     • Ensures long-term reliability in chemically aggressive environments.
   • Weldability:
     • Compatible with spot welding for secure and durable connections.
   • Versatility:
     • Fits a variety of battery configurations, including parallel and series connections.
4. Specialized Uses:
   • High-Performance Battery Packs:
     • Used in EVs, drones, and high-drain devices requiring robust current pathways.
   • Custom Battery Designs:
     • Enables tailored configurations for modular and complex battery systems.
   • Battery Maintenance and Repairs:
     • Ideal for replacing worn tabs in existing battery packs.
5. Challenges and Mitigation:
   • Welding Precision:
     • Improper welding may weaken connections.
       • Solution: Use calibrated spot-welding equipment for consistent results.
   • Handling Thin Strips:
     • Thin material may deform during handling.
       • Solution: Use appropriate tools and techniques for precise cutting and placement.

Roll Specifications:

1. Weight-to-Length Estimate:
   • 1 kg Roll (Width: 4 mm, Thickness: 0.1 mm):
     • Approximate Length: ~250–300 meters (varies by density and manufacturing process).
2. Packaging:
   • Delivered in tightly wound rolls with protective wrapping to prevent surface damage and oxidation.

Summary:

The 18650 Nickel Strip for Battery Tab, with dimensions 4 mm width, 0.1 mm thickness, and 1 kg per roll, is an essential component for battery pack assembly. Its high conductivity, corrosion resistance, and excellent weldability make it suitable for electric vehicles, consumer electronics, and energy storage systems. With its versatility and durability, it supports reliable and efficient battery connections for a wide range of applications.