Laser cutting of battery foils
https://www.precitec.com/laser-cuttin...
In battery production, coated foils of different materials and thicknesses are separated and later assembled into complete prismatic cells. For the processing of these thin layers, which are mostly made of copper or aluminium, the laser can show its strengths to the full. Mechanical separation processes often lead to damage to the surface coating - with the laser, the workpiece is processed without contact in the coil-to-coil process. By using process gases, possible particles are discharged downwards, so that the material surface is not contaminated. A dynamic and precise distance control ensures a high quality of the cutting edges and low burr heights.
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