When electric vehicles crash, what happens to the battery?

The project ’SafeBattery’ aims to contribute to achieving more leewa
The project ’SafeBattery’ aims to contribute to achieving more leeway in range and vehicle design while always guaranteeing safety. In the picture: project leader Wolfgang Sinz and Christian Ellersdorfer, both from the Vehicle Safety Institute of TU Graz (from left). © Lunghammer - TU Graz
How EV batteries behave in detail during crash loads and what influence the previous life of the battery has on its safety is being investigated by TU Graz and partners in the K-project "SafeBattery". Further photographic material available at the end of this text. Safety, range and costs: these are the three big premises of electromobility. Safety definitely comes first. Lithium-based traction batteries are usually completely enclosed in the battery case and integrated in the vehicle to protect the battery from all conceivable stresses and external influences. This "armour" has an effect on construction, weight, size and overall design of the vehicle. "For the sake of safety, vehicle producers protect traction battery components usually more than is necessary, just to be on the safe side.
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