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.](/batterydevelopment/sites/rit.edu.batterydevelopment/files/images/paragraph/image-card/Pouch-Cell-Sizes.jpg)
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.](/batterydevelopment/sites/rit.edu.batterydevelopment/files/images/paragraph/image-card/cylindrical-cells.jpg)
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