US 11,904,709 B2
Battery storage device for electric vehicle
Jin Won Kim, Pyeongtaek-si (KR); and Jun Seok Choi, Hwaseong-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA MOTORS CORPORATION, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA MOTORS CORPORATION, Seoul (KR)
Filed on Jun. 2, 2020, as Appl. No. 16/890,113.
Claims priority of application No. 10-2020-0017840 (KR), filed on Feb. 13, 2020.
Prior Publication US 2021/0252985 A1, Aug. 19, 2021
Int. Cl. B60L 50/64 (2019.01); B60K 1/04 (2019.01); B60L 3/00 (2019.01); H01M 50/24 (2021.01)
CPC B60L 50/64 (2019.02) [B60K 1/04 (2013.01); B60L 3/0007 (2013.01); H01M 50/24 (2021.01); H01M 2220/20 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A battery storage device for an electric vehicle, comprising:
a lower case having a bowl shape with an open upper side and a space for accommodating a battery module; and
a reinforcing panel disposed between a side of the lower case and the battery module, mounted and fixed to the battery module, and having at least one or more reinforcing members to reduce impact energy in a collision,
wherein the reinforcing panel includes:
a vibration absorption part comprising an inner side facing the battery module, extending along the battery module, and including an elastic material that absorbs impact energy; and
a panel part disposed to face an outer side of the vibration absorption part, coupled to the vibration absorption part through connecting members, extending along the vibration absorption part, and including a rigid material, and
wherein the vibration absorption part includes recessed portions recessed from the inner side of the vibration absorption part and fastening holes formed on the respective recessed portions, and the connecting members are inserted into the respective fastening holes.