公开(公告)号：US20240039108A1

公开(公告)日：2024-02-01

申请号：US17974943

申请日：2022-10-27

申请人： Xiaomi EV Technology Co., Ltd.

发明人： Yimiao JIANG

IPC分类号： H01M50/291 ,  H01M50/271 ,  H01M50/244 ,  H01M50/209 ,  H01M50/227 ,  H01M50/249 ,  H01M50/317

CPC分类号： H01M50/291 ,  H01M50/271 ,  H01M50/244 ,  H01M50/209 ,  H01M50/227 ,  H01M50/249 ,  H01M50/317 ,  H01M2220/20

摘要： A battery pack includes a battery pack casing, a battery cell, a barrier assembly and a filling layer, the battery cell is located in the battery pack casing and has a pole end face and an explosion-proof valve on the pole end face; the barrier assembly is installed on the battery cell and is between the pole end face and an inner surface of the battery pack casing, the inner surface of the battery pack casing, the pole end face and the barrier assembly jointly define an exhaust channel, and the explosion-proof valve is in the exhaust channel; and the filling layer is located outside the exhaust channel and is used for filling a gap between at least part of an outer surface of the battery cell and at least part of the inner surface of the battery pack casing, the filling layer is made of an adhesive colloid.