| 摘要 |
PROBLEM TO BE SOLVED: To provide a power storage device that eliminates displacement between adjacent power storage elements and is able to correctly align a plurality of power storage elements.SOLUTION: A power storage device according to the invention comprises: a plurality of power storage elements aligned in one direction, each of which has an electrode body including a positive electrode plate and a negative electrode plate insulated from each other and also has a case for accommodating the electrode body, the case having a case body with at least one open edge, a lid joined to the open edge, and a projection formed by joining the case body and lid; and a spacer arranged between adjacent power storage elements and having a pair of engagement parts that engages with the projection of the one power storage element and the projection of the other power storage element. |
