It becomes clearer and clearer that there is more than a gradual transition in automotive industry, especially when it comes to the future propulsion systems. Whether we talk about e-mobility or hydrogen drive, laser and photonics industry take the chance to transform manufacturing processes, convince decision makes on the undoubted advantages of photonic tools in the relevant production chains. As most of the applications e.g., in e-mobility start from scratch one can directly use the most profitable manufacturing tools. There is no need to transform an already existing process from the “pre laser age” into modern times. This paper reviews some of the applications in battery production from the perspective of a supplier of sensor technology and processing tools, without claim of completeness. The focus will concentrate on laser welding as here process monitoring and control plays an important role, laser marking, drilling, surface processing will not be part of the deliberations. This contribution to the Photonics West '22 LASE conference describes the intersection between photonics and demands when it comes to efficient production tools for tomorrow’s mobility. Further intersections with respect to Industry 4.0 and artificial intelligence haven’t even been mentioned, but here we easily find more examples which underscore the uniqueness of the laser in the context of e-mobility.
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