| 摘要 |
PROBLEM TO BE SOLVED: To reduce the contact resistance between single cells, in the connection structure of stacked single cell group.SOLUTION: In the connection structure of a single battery group 10 where a plurality of single cells 11, each having the electrode terminal surfaces 13A, 13B of the positive electrode and negative electrode on the front and back, are stacked while arranging the electrode terminal surfaces 13A, 13B of adjoining single cells 11 at positions facing each other and connected in series, the electrode terminal surfaces 13A, 13B of the adjoining single cells 11 are interposed between the adjoining single cells 11, and connected electrically via a protrusion 21 protruding in the stacking direction of the single cells 11. |
