US 12,012,058 B2
Electrified vehicle battery packs with polymer-based enclosures
Thomas Edward Smith, Livonia, MI (US); Patrick Daniel Maguire, Ann Arbor, MI (US); Kanchana Perumalla, Troy, MI (US); Mohammadreza Eftekhari, Novi, MI (US); Saravanan Paramasivam, South Lyon, MI (US); and James Maurice Boileau, Novi, MI (US)
Assigned to FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed by FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed on Jul. 15, 2021, as Appl. No. 17/376,380.
Claims priority of provisional application 63/052,822, filed on Jul. 16, 2020.
Prior Publication US 2022/0017031 A1, Jan. 20, 2022
Int. Cl. B60R 16/04 (2006.01); B60K 1/04 (2019.01); B60L 50/64 (2019.01); H01M 50/249 (2021.01)
CPC B60R 16/04 (2013.01) [B60K 1/04 (2013.01); B60L 50/64 (2019.02); H01M 50/249 (2021.01)] 17 Claims
OG exemplary drawing
 
1. A battery pack, comprising:
an enclosure assembly including a tray, a mid-tray, and a cover;
a battery array assembly positioned within an open area of the tray,
wherein the mid-tray is secured to the tray at a tongue and groove connection; and
at least one of a tape seal or a liquid seal applied at an external seam associated with the tongue and groove connection,
wherein the tray and the mid-tray are comprised of an expanded polymer-based material, and the cover is comprised of a solid polymer-based material that is more rigid than the expanded polymer-based material.