Patent ID: 7732072

Claim:
A rechargeable battery comprising: a bare cell composed of an electrode assembly including a negative electrode, a separator, and a positive electrode, a container to house the electrode assembly and an electrolyte, and a cap assembly to close an opening of the container; and a safety device electrically coupled to an outer surface of the bare cell, wherein the safety device is coupled to the bare cell by being incorporated into a battery component part comprising a plastic molding that encapsulates the entire safety device, and a bonding surface of the bare cell and a bonding surface of the battery component part, which are to be bonded to each other, each have a bonding part capable of forming a mechanical bond between the bare cell and the battery component part, wherein the bare cell has a female mechanical bonding part comprising a sloped neck at the entrance thereof and the battery component part has a male mechanical bonding part comprising a jaw and wherein the female mechanical bonding part of the bare cell is detachably engaged with the male mechanical bonding part of the battery component part.