EXPLOSION-PROOF DEVICE AND POWER BATTERY AND POWER BATTERY MODULE COMPRISING THE SAME

摘要

The explosion-proof device for a battery includes an exhaust port formed in the battery shell of the battery, a valve core movably disposed in the exhaust port to open and close the exhaust port, a support fixed on the outer wall of the battery shell, and a valve core, And an elastic element connected to the two ends of the valve core and the valve core, respectively. A power battery and a power battery module including the explosion-proof device are also provided.