| 摘要 |
A battery module (100; 200) including a battery pack (110) including positive and negative electrodes, a first main relay (140) and a second main relay (150) electrically coupled to the positive and negative electrodes of the battery pack (110), and a master battery management system (130; 230) electrically coupled to the first main relay (140) and the second main relay (150) and configured to control the first main relay (140) and the second main relay (150) to be driven, wherein the master battery management system (130; 230) is configured to control a turn-off order of the first main relay (140) and the second main relay (150) according to stress variables of the first main relay (140) and the second main relay (150). |
