Patent ID: 8557428
Filing Date: 2013-10-15
Classification: H01M

Abstract:
1. A battery module for containing a plurality of battery units, the battery module comprising: first and second end plates facing each other; and a side plate, the side plate being for extending across a side of the battery units, and the side plate having a first end coupled to the first end plate and a second end coupled to the second end plate, wherein a work hardening unit is disposed at the second end of the side plate, the work hardening unit being hardened in such a way that a portion of the second end of the side plate is bent over itself into an overlapping condition; wherein each of the first and second end plates include: a base plate adjacent to the battery units; a first flange unit that is bent from a first side of the base plate in a direction away from the battery units; and a second flange unit that is bent from a second side of the base plate in a direction away from the battery units.