Patent ID: 9324990
Filing Date: 2016-04-26
CPC Classification: H01M,Y02E

Claim Text:
1. A battery module comprising: a plurality of battery cells arranged in a row, each of the plurality of battery cells including first and second terminals and a safety vent; a plurality of bus bars connecting the plurality of battery cells; a duct mechanically coupled to the plurality of battery cells to seal the safety vent and having a space that is in communication with the safety vents of the plurality of battery cells; an extension plate electrically connected to a first terminal of a first battery cell among the plurality of battery cells and extending toward the duct; and a short-circuit plate electrically connected to a second terminal of a second battery cell among the plurality of battery cells and extending toward the duct, wherein the duct is electrically connected to the extension plate and is spaced apart from the short-circuit plate, wherein the duct includes a membrane which is electrically connected to the extension plate, wherein the membrane is connected to the short-circuit plate when the battery module is overcharged.