US 11,894,578 B2
Battery module, battery pack and vehicle
Sien Chen, Ningde (CN); and Shoujiang Xu, Ningde (CN)
Assigned to Contemporary Amperex Technology Co., Limited, Ningde (CN)
Filed by Contemporary Amperex Technology Co., Limited, Ningde (CN)
Filed on Mar. 15, 2022, as Appl. No. 17/694,724.
Application 17/694,724 is a continuation of application No. PCT/CN2020/102649, filed on Jul. 17, 2020.
Claims priority of application No. 201921586971.3 (CN), filed on Sep. 23, 2019.
Prior Publication US 2022/0209371 A1, Jun. 30, 2022
Int. Cl. H01M 50/519 (2021.01); H01M 50/249 (2021.01); H01M 50/284 (2021.01); H01M 10/48 (2006.01)
CPC H01M 50/519 (2021.01) [H01M 10/482 (2013.01); H01M 50/249 (2021.01); H01M 50/284 (2021.01); H01M 2220/20 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A battery module comprising:
a plurality of secondary batteries arranged side by side in an arrangement direction, each of the plurality of secondary batteries having positive and negative terminals protruding upwards at a top-end of the respective secondary battery in a direction perpendicular to the arrangement direction;
one or more busbar arranged on a top of the secondary batteries, each of the one or more busbar being electrically connected to at least two of the plurality of secondary batteries;
a sampling assembly comprising a sampling circuit board and one or more sampling leg, the sampling circuit board being arranged on the top-end of each of the plurality of secondary batteries and extending in the arrangement direction, each of the one or more busbar being connected to sampling circuit board by a respective sampling leg of the one or more sampling leg;
one or more connector, each of the one or more sampling leg and the respective busbar being connected at one or more welded zone by welding and connected with a respective connector of the one or more connector in a way of bolting, riveting or plug-in, wherein each of the one or more connector is located between all of the respective one or more welded zone and the sampling circuit board.