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|1. (WO2018221818) BATTERY MODULE|
|Applicants:||LG CHEM, LTD.
Disclosed is a battery module capable of improving reliability of an electrical connection between an electrode lead of a secondary battery and a bus bar. Particularly, the battery module comprises: a plurality of pouch type secondary batteries; and a bus bar which comes into contact with at least two of first and second electrode leads of the secondary batteries, wherein the bus bar includes: at least two metal plates which come into contact with and are connected to at least two of the first and second electrode leads of at least one secondary batteries; and a main body frame coupled with the metal plates, wherein at least one of the metal plates includes a metal material different from that of the main body frame.