Electrolyte Filling of Large-Scale Lithium-Ion Batteries: Challenges for Production Technology and Possible Approaches

Lithium-ion batteries have been the dominant energy storage technology in consumer electronics for several years and meanwhile advanced into e-mobility and stationary applications. The trend towards large-scale batteries presents manifold challenges to production technology. One decisive assembly process is filling electrolyte liquid into the battery case. This paper discusses the main influences and challenges for production technology concerning this crucial manufacturing process and how they are addressed. First preliminary results are presented.