US 12,469,900 B2
Battery module, battery module assembly, production method therefor and apparatus
Hanqing Gao, Ningde (CN)
Assigned to Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong (CN)
Filed on May 17, 2022, as Appl. No. 17/746,905.
Application 17/746,905 is a continuation of application No. PCT/CN2020/091520, filed on May 21, 2020.
Prior Publication US 2022/0278391 A1, Sep. 1, 2022
Int. Cl. H01M 10/6556 (2014.01); H01M 10/613 (2014.01); H01M 10/625 (2014.01); H01M 10/653 (2014.01)
CPC H01M 10/6556 (2015.04) [H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/653 (2015.04); H01M 2220/20 (2013.01)] 17 Claims
 
1. A battery module, comprising:
a battery unit comprising a top surface, a bottom surface, and a side surface connecting the top surface and the bottom surface;
a housing for accommodating the battery unit, wherein the housing comprises a limit frame and an injection channel arranged on the limit frame, the limit frame is arranged around the side surface of the battery unit; an accommodation cavity is formed by a bottom of the battery module and a cooling component, and the injection channel is configured to be communicated with the accommodation cavity to allow for an injection of thermally conductive slurry into the accommodation cavity from the injection channel,
wherein the limit frame comprises an end plate assembly provided at an end of the battery unit, and the injection channel is provided in the end plate assembly; and
the end plate assembly comprises an end plate, an insulation plate, and a connection pipe, at least part of the insulation plate is provided between the end plate and the battery unit, two ends of the connection pipe are connected to the end plate and the insulation plate respectively, and the injection channel penetrates the end plate, the connection pipe and the insulation plate.