Patent ID: 7858228
Filing Date: 2010-12-28
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. A rechargeable battery comprising: a case having an opening; an electrode assembly accommodated in the case and having first and second electrode taps that protrude from the electrode assembly; a cap assembly comprising a cap plate covering the opening of the case and an electrode terminal insulated from the cap plate, wherein the cap plate includes a safety vent formed as a notch in the cap plate; first and second electrode leads connected to the electrode terminal and the cap plate, respectively; a circuit board connected to the cap assembly by the first and second electrode leads and wherein a space is defined between the circuit board and the cap assembly; a resin portion filling the space between the cap assembly and the circuit board; and an insulation reinforcing portion insulating the cap plate from the first electrode lead and including an integrally formed covering member that covers a portion of one side of the cap plate including the safety vent and further comprises a safety vent protecting member formed at a bottom surface of the covering member and extending into the notch to protect the safety vent.