SAFETY MEASURES: A look at how large-format lithium-ion battery systems in automotive applications are creating new challenges in safety

摘要

The main selling point of lithium-ion technology is its energy density, which is typically three times that of lead acid and 40% more than NiMH. This energy density advantage is further increased in large format battery cells, which means that proportionally less of the cell mass is casing and in terms of the battery pack construction, less of the total pack weight is connections and fusing. Additionally, the large-format cells are typically of a regular shape enabling better packaging when compared to cylindrical cells, Modern pouch cells, such as those from Kokam and EiG, further benefit from having large-connection terminal surfaces, enabling low-impedance connections, and an efficient means of conductive-cell cooling.