Patent ID: 9083028
Filing Date: 2015-07-14
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
1. A secondary battery pack comprising: an anode terminal and a cathode terminal of a battery cell, the anode terminal and the cathode terminal being made of a plate-shaped conductive member, the anode terminal and the cathode terminal being electrically connected to a protection circuit module (PCM); a battery cell having the anode terminal and the cathode terminal formed at one end thereof, the battery cell being provided at the end thereof with a thermally welded surplus portion; and the PCM comprising a printed circuit board (PCB) having a protection circuit formed thereon, the PCB being provided at one side thereof with a cathode terminal connection portion and an anode terminal connection portion and at the other side thereof with an external input and output terminal connection portion, an external input and output terminal electrically connected to the protection circuit of the PCB via the external input and output terminal connection portion of the PCB, and an electrically insulative PCM case, in which the PCB is mounted in an insertion fashion, the PCB being loaded on the thermally welded surplus portion of the battery cell in a direction in which the PCB faces an upper end of a main body of the battery cell in a state in which the PCB is erected perpendicular to the battery cell, wherein the PCM case is configured to have a hollow box structure, one end of which is opened in the shape of a slit, through which the PCB is inserted, wherein the thermally welded surplus portion is formed at an upper-end case extension portion of the battery cell, and wherein the battery cell is a secondary battery having a battery case made of a laminate sheet comprising a metal layer and a resin layer in a sealed state.