Abstract: One of the major challenges in manufacturing automotive lithiumion batteries and battery packs is to achieve consistent weld quality in joining multiple layers of dissimilar materials. While most fusion welding processes ...

Abstract: This paper presents a tool wear monitoring framework for ultrasonic metal welding which has been used for lithium-ion battery manufacturing. Tool wear has a significant impact on joining quality. In addition, tool replacement, ...

Abstract: Manufacturing of lithiumion battery packs for electric or hybrid electric vehicles requires a significant amount of joining, such as welding, to meet the desired power and capacity needs. However, conventional fusion welding ...

Abstract: Online process monitoring in ultrasonic welding of automotive lithiumion batteries is essential for robust and reliable battery pack assembly. Effective quality monitoring algorithms have been developed to identify out of ...