POWER STORAGE MODULE AND MANUFACTURING METHOD THEREFOR

To provide a power storage module and a manufacturing method therefor capable of suppressing deformation of an electrode laminate during injection molding.SOLUTION: A power storage module 4 includes an electrode laminate 11 including a negative electrode termination electrode 18, a plurality of bipolar electrodes 14, and a positive electrode termination electrode 19 laminated in a lamination direction D, a plurality of primary sealing bodies 21 provided on a peripheral edge 15c of an electrode plate 15, a secondary sealing body 22 provided around the plurality of primary sealing bodies 21, and a reinforcing member 25 provided on the primary sealing body 21B located at one end 11b of the electrode laminate 11 from among the plurality of primary sealing bodies 21, and the reinforcing member 25 is interposed between the primary sealing body 21B and the secondary sealing body 22 in the lamination direction D.SELECTED DRAWING: Figure 3 【課題】射出成型時における電極積層体の変形を抑制可能な蓄電モジュール及び蓄電モジュールの製造方法を提供すること。【解決手段】蓄電モジュール４は、積層方向Ｄに沿って積層された負極終端電極１８、複数のバイポーラ電極１４及び正極終端電極１９を含む電極積層体１１と、電極板１５の周縁部１５ｃにそれぞれ設けられた複数の一次封止体２１と、複数の一次封止体２１の周囲に設けられた二次封止体２２と、複数の一次封止体２１のうちの電極積層体１１の一端１１ｂに位置する一次封止体２１Ｂに設けられた補強部材２５と、を備え、補強部材２５は、積層方向Ｄにおいて、一次封止体２１Ｂと二次封止体２２とに挟まれている。【選択図】図３