Patent ID: 7914924
Filing Date: 2011-03-29
Classification: H01M,Y02E

Abstract:
1. A battery pack having a plurality of box-shaped cells housed in a case, comprising: an electrode tab configured to electrically connect the cells to an external device, the electrode tab including an alignment recess; a partition member supporting said plurality of box-shaped cells in a stacked manner as being spaced from each other, said partition member being configured to support said cells at the peripheral portions of said cells, the partition member including a guide configured to mate with the alignment recess of the electrode tab to fix the electrode tab with respect to the partition member; and an insulating member insulating between said cells, which are electrically connected in parallel, is located in an aperture in said partition member, the partition member having on inner side walls thereof, protruded portions corresponding to a thickness of the cells for maintaining the cells therebetween, and the insulating member having a surface, with which a side face of said cells contact, having a smaller thickness in a center portion thereof then an edge portion.