公开(公告)号：US20230275298A1

公开(公告)日：2023-08-31

申请号：US18144518

申请日：2023-05-08

Applicant: BYD COMPANY LIMITED

Inventor： Yongnan WANG ,  Hua CHEN ,  Weixin ZHENG ,  Zhengyuan LIAO

IPC: H01M50/227 ,  H01M50/242 ,  H01M50/244 ,  H01M50/204 ,  B60L50/64

CPC classification number: H01M50/227 ,  B60L50/64 ,  H01M50/204 ,  H01M50/242 ,  H01M50/244 ,  H01M2220/20

Abstract: A battery tray includes: a tray body includes a tray bottom plate and a tray side beam located on a first side of the tray bottom plate, and the tray side beam and the tray bottom plate defines a battery accommodating cavity accommodating for accommodating a battery module or a cell; a first protection plate includes an energy-absorbing plate and high-strength plates located on two sides of the energy-absorbing plate, the energy-absorbing plate includes a cellular structure, and the first protection plate is fixed on the tray bottom plate; and a second protection plate, where a first surface of the second protection plate is coupled to the first protection plate, a second surface of the second protection plate is coupled to the tray body, and a wave impedance value of the second protection plate is less than a wave impedance value of the high-strength plates.