| 主权项 |
1. A battery module in which a plurality of cells are arranged and housed in a case, wherein
each of the cells has a vent through which a gas generated in the cell is released to outside the cell, each of said vents is formed in the corresponding cell, the case is divided, by a flat plate provided at same sides of the cells, into a housing space housing the cells and an exhaust duct for releasing a gas from the vents of the cells to outside the case, each of the vents of the cells communicates with the exhaust duct through an opening formed in the flat plate, the exhaust duct is divided into a first space and a second space by a partition provided between the flat plate and an external plate or a bottom of the case, the first space communicates with the second space through a plurality of through holes formed in the partition, a volume of the first space is adjusted depending on a location or the plurality of through holes, and a gas from the vent of the cell is released to the first space through the opening formed in the flat plate, is guided to the second space through the through hole formed in the partition, and then is released to outside the case. |
