ECS-S 800W Ultrasonic Welding Heads (ESPCUWTSC800), ESAUWH800
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For pouch cell and battery tab welding, the ultrasonic welding head (comprising the horn/sonotrode and the anvil) is the most critical consumable. Because battery materials like copper and aluminum have different hardness levels and thicknesses, the "knurling" pattern (the teeth on the head) must be specifically matched to the application to ensure a robust molecular bond without tearing the foil.
| Part Number |
|
| Welding Head Types |
(a) 4mm * 4mm (b) 3mm * 6mm (c) 6mm * 3mm
(a) Single Long Strip, 3*25 mm (b) Three Points at Each Side, 3*3 mm |
References:
- M. J. Brand , et al., Welding techniques for battery cells and resulting electrical contact resistances, Journal of Energy Storage, 2015, 1, 7-14
- M. Kim, et al., Review on Ultrasonic and Laser Welding Technologies of Multi-Layer Thin Foils for the Lithium-Ion Pouch Cell Manufacturing, Journal of Welding and Joining 2023; 41(6): 462-474.