Patent ID: 9093686
Filing Date: 2015-07-28
Classification: B60L,G01R,H01M,Y02E,Y02T

Abstract:
1. A battery pack comprising: a battery module comprising a cell module stack having a structure in which a plurality of cell modules, each of which comprises a battery cell mounted in a cartridge, is vertically stacked, a lower end plate to support a lower end of the cell module stack, an upper end plate to fix an uppermost cartridge of the cell module stack disposed on the lower end plate, and a voltage detection assembly to detect voltages of the battery cells; a box type pack case in which the battery module is mounted; a pack cover coupled to the pack case; and fastening extension members protruding upward from the battery module to couple the battery module to the pack case and the pack cover, wherein each of the upper and lower end plates is configured in a rectangular shape having a hollow structure on a plane, wherein a heat insulating member is mounted to an upper end of the hollow structure, wherein through holes, through which fixing members to fix the cell module stack are inserted, are formed in four corners of each of the upper and lower end plates, and wherein the four corners of the upper and lower end plates are connected by supporting bars.