| CPC H01M 50/529 (2021.01) [H01M 10/613 (2015.04); H01M 50/503 (2021.01); H01M 50/505 (2021.01); H01M 50/516 (2021.01); H01M 50/522 (2021.01); H01R 11/288 (2013.01); H01M 50/209 (2021.01); H01M 50/227 (2021.01); H01M 50/55 (2021.01); H01M 50/553 (2021.01); H01M 50/566 (2021.01); H01M 50/567 (2021.01)] | 16 Claims |
|
1. A battery module, comprising:
a plurality of battery cells, each of the plurality of battery cells including a bottom side and a top side opposite to each other, the top side having a first terminal and a second terminal spaced apart and electrically isolated from one another;
a housing including an upper housing part and a lower housing part assembled together to enclose the plurality of battery cells, the bottom side of each of the plurality of battery cells facing the lower housing part, and the top side of each of the plurality of battery cells facing the upper housing part; and
a plurality of bus bars embedded inside the upper housing part and electrically connecting adjacent ones of the plurality of battery cells, a top portion of the upper housing part being a single and integral structure that continuously and integrally surrounds and covers an entirety of each of the plurality of bus bars,
wherein each of the plurality of bus bars is connected to one of the first and second terminals of at least two of the plurality of battery cells,
wherein the top portion includes penetrating openings at least partially exposing the plurality of bus bars, and
wherein the first terminal and the second terminal of each of the plurality of battery cells are contacted with bus bars exposed by the penetrating openings and are welded to each other.
|