The hearT oF The maTTer
The architecture of the e-tron battery is very similar to the Jaguar i-Pace’s though there are certain remarkable differences. The number of cells in each module and the number of modules are all the same but each of the cells has a slightly higher capacity thereby adding up to 95kWh, as opposed to 90kWh for the Jaguar. The battery pack is made up of 36 modules containing 12 pouch cells each for a total of 432 cells. With 4 cells being used in parallel and therefore there being 108 cell groups with a nominal voltage of 3.6 volts giving the system a nominal voltage of 390 volts and a fully charged voltage of about 450 volts. The battery pack is water-cooled with what Audi claims to be a very efficient thermodynamic system of temperature optimization and is also sandwiched in high strength aluminium to add to the towrsional rigidity of the floor as can be seen in the illustrations.
Housing cover (aluminium sheet)BJB (Battery Junction Box)Coolant connectionModule connector Housing tray with crash protectionstructure (extruded sections)Cell modules with twelve 60 Ah cells Battery Junction Box Aluminium sheet Housing coverCell module with twelve 60 Ah cellsBMC (Battery management controller) Aluminium crash structure Housing tray Battery frame Cooling system Lower protection cover
Pouch cellAluminium case