公开(公告)号：US10916750B2

公开(公告)日：2021-02-09

申请号：US16335186

申请日：2017-06-08

Applicant: BYD COMPANY LIMITED

Inventor： Jiyang Zhao ,  Qing Lai ,  Yanzi Ren ,  Jianhua Zhu ,  Yan Zhu

IPC: H01M4/02 ,  H01M2/10 ,  H01M10/613 ,  H01M10/6568 ,  H01M2/12

Abstract: The present disclosure provides a power battery pack, including: a battery pack case, at least one battery module, and a return pipe. An oil inlet and an oil outlet are formed on the battery pack case, and insulation oil is charged from the oil inlet into the battery pack case. Each of the at least one battery module is disposed in the battery pack case, and each battery module includes a module case and at least one unit cell disposed in the module case. The unit cell is immersed in the insulation oil, and the bottom of the module case is provided with a through hole and the top of the module case is provided with at least one exhaust vent. The return pipe is disposed outside the battery pack case, and the return pipe is connected between the oil outlet and the oil inlet.

公开(公告)号：US10243181B2

公开(公告)日：2019-03-26

申请号：US15188446

申请日：2016-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Jiyang Zhao ,  Qing Lai ,  Zhiwei Tong ,  Yan Zhu ,  Jianhua Zhu

IPC: H01M2/10 ,  H01M10/658 ,  H01M10/6551 ,  H01M2/20

Abstract: A power battery module includes a battery accommodating assembly having a plurality of separators, each separator comprising: a separator body having a front portion defining a front accommodating groove and a rear portion; a left cover; a right cover, a battery group, a power connection member, a power connection line and a line snap-fit; in which adjacent separators are detachably connected with each other, and the front accommodating groove of one of the adjacent separators and the rear portion of the separator body of the other of the adjacent separators define a battery chamber, and a snapping hole is formed in at least one of upper and lower walls of the front accommodating groove.