| 摘要 |
PROBLEM TO BE SOLVED: To provide a power storage device and a power storage module which can suppress the loosening of a nut.SOLUTION: A secondary battery 10 comprises: a bolt 61 capable of fixing a bus bar 60, which is connectable to an electrode pole portion 44 of a positive electrode terminal 41, to the electrode pole portion 44; and a movement suppressing member 70, arranged between a nut 55 and the bolt 61 in the axial direction of the electrode pole portion 44, the movement suppressing member suppressing the movement of the nut 55 in the axial direction of the electrode pole portion 44. The movement suppressing member 70 is configured such that its one face 70a comes into contact with a bus bar-side end face 55c of the nut 55 and another face 70b comes into contact with a conduction face 60b of the bus bar 60. |
