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EV battery crash protection using high strength steels
EV battery crash protection requires that there is no intrusion into the battery pack — a particularly demanding challenge for the side pole impact test. Optimized profiles in UHSS steels enable an EV’s battery pack enclosure, cross members, and sills to work together to transfer and absorb crash forces to ensure the integrity of the battery cells.
EV battery enclosures made using 3D roll-formed UHSS steel
One part of the Docol® EV Design Concept is to use 3D roll-formed beams in Docol® 1700 martensitic steel that are woven into a “mesh” structure for the bottom of a battery enclosure. The mesh structure maintains distance between the battery enclosure’s bottom plate and its tray, protecting the battery cells from intrusions coming in the Z direction.