| 摘要 |
The present invention discloses a battery pack. The battery pack includes a battery cell, a case which provides an accommodating space of the battery cell, a degassing port which connects the accommodating space and the outside of the case, and a flow noise generation part for generating noise in response to fluid flow from the degassing port. According to the present invention, when a discharge gas spurts out according to an increase in an internal pressure of a threshold value or more, an alarm for warning the blow of the discharge gas can be provided. |
