Patent ID: 8304109
Filing Date: 2012-11-06
Classification: H01M,Y02E,Y02P,Y02T,Y10T

Abstract:
1. A sealed battery comprising: an outer can including a mouth; in the outer can, an electrode assembly including a positive electrode plate and a negative electrode plate equipped with a positive electrode current collector and a negative electrode current collector, respectively; a sealing plate sealing the mouth of the outer can; and an external terminal attached to the sealing plate and including a connecting terminal, the connecting terminal and the electrode assembly being electrically connected; in a conductive pathway electrically connecting the connecting terminal and the electrode assembly, a current interruption mechanism that interrupts current in response to pressure increase in the outer can being installed; the connecting terminal including inside a through-hole continuing a space on the current interruption mechanism at a side corresponding to the outside of the battery; and the through-hole being sealed with a terminal stopper made of an elastic member to form a closed space between the terminal stopper and the current interruption mechanism.