Battery Pack Disconnecting Failing Battery Cell

원문 (중국어)

A battery pack according to an embodiment disclosed herein can includes a battery module including a plurality of battery cell units connected in parallel, a main power line electrically connected to the plurality of battery cell units. A first battery cell unit of the battery cell units can include a first battery cell, a first cell bus bar configured to electrically connect a positive electrode of the first battery cell and a negative electrode of the first battery cell to the main power line, and a first switch connected to the first battery cell in parallel. A sensor unit of the battery pack can be configured to sense a condition of the battery cells A controller can be configured to close the first switch to disconnect the first cell bus bar upon identifying a failure of the first battery cell based on the condition of the first battery cell.