AiVibeTextile & Automotive Manufacturing
Battery Cell Assembly
Battery cell assembly turns electrode strips into sealed cells: electrodes and separator are stacked or wound, tabs are welded, the assembly is housed, filled with electrolyte and sealed, mostly inside low-humidity dry rooms.
Electrodes and separator are either wound into a jelly roll, as in cylindrical and many prismatic cells, or stacked as individual sheets or with a Z-folded separator, as in many pouch and prismatic cells. Tabs are joined to current collectors by ultrasonic or laser welding, the electrode assembly is inserted into a can or pouch, and electrolyte is filled under vacuum and allowed to wet the electrodes. The cell is then sealed by laser welding the can or heat sealing the pouch before formation.
Assembly precision determines safety and performance. The anode is made slightly larger than the cathode so that it overhangs the cathode on all sides, which helps prevent lithium plating, and misalignment can create internal short circuits.
Moisture reacts with common electrolyte salts, so assembly and filling take place in dry rooms with very low humidity. Metal particles are a serious risk, so particle control and cleanliness are monitored. Insulation testing before filling, and X-ray or computed tomography inspection of electrode alignment, are widely used quality checks.
Key points
- Electrodes and separator are wound or stacked
- Tabs are welded, then the cell is housed, filled and sealed
- Anode overhang and alignment are critical for safety
- Dry rooms keep moisture away from the electrolyte
Where AiVibe comes in
AiAmbA use cases include visual inspection on textile and automotive lines, predictive maintenance and digital twins. Existing lines are retrofitted with edge devices, and AI agents only propose changes for a trained operator to confirm.
Explore AiVibe’s work in Textile & Automotive Manufacturing →