| 摘要 |
An object of the present invention is to secure a space in a battery case to house battery cells or minimum gaps to allow swelling of battery cells, so that the battery cells can be held in the battery case without play. <??>A battery pack 1 connects in series and house a plurality of square pole-like battery cells 3 in a battery case 3, the plurality of battery cells each having a battery lid 32 positioned at the front side thereof, wherein a negative pole side tab 37 that is connected to a battery can bottom 35 of a battery cell and extends to the battery lid side, an intermediate connection tab 36 connecting a positive side pole of the battery cell to a battery can bottom of adjacent another battery cell and a positive pole side tab 34 connected to a positive pole terminal part of said another battery cell are provided, and a cell side insulating sheet 50 is provided between the respective negative pole side tab, intermediate connection tab and the sides of respective battery cans 31, and a projecting tab for pressing side edge parts 3E extending in the front and back direction of the respective battery cells, upper corner ribs 13, small ribs 21 and lower corner ribs 22 (side edge pressing part) are respectively provided on the inner face of the upper side case and on the inner face of the lower side case. <IMAGE> |
