公开(公告)号：EP4439833A1

公开(公告)日：2024-10-02

申请号：EP23769805.5

申请日：2023-03-14

Applicant: BYD Company Limited

Inventor： WANG, Qi ,  TANG, Jianglong ,  LU, Zhipei ,  TIAN, Jing ,  YANG, Fuxing

IPC: H01M50/244 ,  H01M50/233 ,  H01M50/249

CPC classification number: Y02E60/10 ,  H01M50/249 ,  H01M50/233 ,  H01M50/244

Abstract: A tray assembly (1), a power battery pack (100), and a vehicle (200) are provided. The tray assembly (1) includes a bottom plate (111), an expansion beam (12), and a first sealing member (141). The bottom plate (111) includes a main body portion (1111) and a raised edge portion (1112). The main body portion (1111) defines an accommodating cavity (110). The accommodating cavity (110) is configured to accommodate a battery (2). The raised edge portion (1112) is located on a peripheral side of the main body portion (1111) and arranged around the main body portion (1111). The expansion beam (12) is arranged on one side of the raised edge portion (1112) in a thickness direction. The expansion beam (12) is adapted to abut with the battery (2). The first sealing member (141) includes a first portion (141a). The first portion (141a) is arranged between the expansion beam (12) and the raised edge portion (1112).