Cell Fabrication

Interior of the Cell Fabrication Lab.
 

Cell Fabrication

The BDC can fabricate both cylindrical and pouch cells in a variety of sizes.

A gloved hand holding a small pouch cell and a larger pouch cell.

Pouch Cell Line
(34 x 50 mm up to 250 x 250 mm sizes)

  • Electrode Punching 
  • Z/Z Pick and Place Stacking 
  • Ultrasonic Welding
  • Pouch Forming
  • Top and Side Pouch Sealing
  • Electrolyte Filling
  • Degassing & Vacuum Sealing
Three differently sized cylindrical batter cells, from left to right, 18650, 21700, 26650.

Cylindrical Cell Line
(18650, 21700, 26650)

  • Automated electrode winding
  • Ultrasonic tab welding to strip
  • Resistance welding of negative contact to can
  • Ultrasonic welding of positive contact to cap
  • Grooving machine
  • Vacuum electrolyte filler
  • Crimping machine
Cell Fabrication Lab.

Cell Fabrication Lab

Ten individually packaged and labeled pouch cells.

Pouch Cells

Cylindrical Cell Finishing Equipment.

Cylindrical Cell Finishing Equipment

Cylindrical Cell Winder.

Cylindrical Cell Winder