Patent ID: 9077057
Filing Date: 2015-07-07
Classification: B60K,H01M,Y02E

Abstract:
1. A battery module case comprising: a first case in which a plurality of first battery cells is held in a stacked state and which includes a first plate formed with a first cutout portion from which an upper end side surface of one of the first battery cells which is adjacent to the first plate is exposed; and a second case in which a plurality of second battery cells is held in a stacked state and which includes a second plate confronting the first plate and formed with a second cutout portion from which a lower end side surface of one of the second battery cells which is adjacent to the second plate is exposed, wherein when the first plate and the second plate are arranged to directly oppose one another, the first plate and the second plate jointly form a passage staggering between the first plate and the second plate by the first cutout portion and the second cutout portion, the passage extends along surfaces of the first plate and the second plate inside the first plate and the second plate, in which cooling fluid flows from an upper end of the first cutout portion to a lower end of the second cutout portion or from the lower end of the second cutout portion to the upper end of the first cutout portion, the first cutout portion includes a first cutout at an upper side surface of the first plate and a second cutout continuing from the first cutout at a top surface of the first case, the second cutout portion includes a third cutout at a lower side surface of the second plate, and a fourth cutout continuing from the third cutout at a bottom surface of the second case, and the cooling fluid flows into one of the second cutout and the fourth cutout, flows through the first cutout and the third cutout, and flows out from the other of the second cutout and the fourth cutout.