Abstract: The fatigue life of ultrasonically welded lithiumion battery tab joints is studied for electric and hybrid–electric vehicle (EV and HEV) applications. Similar to metallic materials, the electrical resistance of these ...

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: Process physics understanding, real time monitoring, and control of various manufacturing processes, such as battery manufacturing, are crucial for product quality assurance. While ultrasonic welding has been used for ...

Abstract: Discussion of big data (BD) has been about data, software, and methods with an emphasis on retail and personalization of services and products. Big data also has impacted engineering and manufacturing and has resulted in ...

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 ...