| 摘要 |
PROBLEM TO BE SOLVED: To provide a secondary battery device which can be packaged with high density and which, even when an abnormal large current due to external shorting, etc. flows in it, can prevent deformation to avoid affecting other areas.SOLUTION: According to an embodiment, the secondary battery device comprises: an outer case 14; a plurality of battery cells, each having an electrode terminal, which are arranged side by side in the outer case; a plurality of connection busbars 52, 56a, and 56b, each having a fusible blowout section and mounted on the outer case, which electrically connect between the electrode terminals of the battery cells; a wiring section which is connected to the plurality of connection busbars to detect voltage; and an insulating member 71 which is disposed on top of the blowout sections of the connection busbars and located between the blowout sections and the wiring section. |
