Laser Welding is a revolutionary technology for welding batteries that are highly sensitive to thermal effects. For instance, laser welding has already been widely used in lithium-ion battery fabrication1 . In addition, the laser welding process uses a low heat application – the weld is formed as the intense laser beam rapidly heats the material in a non-contact way, typically in milliseconds. This laser application minimizes any damage to the components or materials.
The main parts that can be welded with laser technology are battery tabs, busbars, and connectors. Laser allows the wiring of these parts with different shapes: spot, line, hollow circle, triangle, etc. Given this flexibility, laser technology offers much more benefits:
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