| 摘要 |
PURPOSE: A battery module is provided to improve productivity while efficiently controlling gas generated in a plurality of battery cells by simplified production process. CONSTITUTION: A battery module comprises a plurality of battery cells(10) arranged in one direction; a cover comprising a gas outlet(121) in one end, covers the bent part; and a slope becoming lower from the one end toward the other end. The battery module comprises at least one rib(125) formed on the top of the cover. The cover contacts to the battery cell and forms gas flow channels connected to the gas outlet.
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