| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for detecting the leak in a power storage device which makes possible to detect the leak of a minute amount of an electrolyte.SOLUTION: A device 10 for detecting the leak in power storage devices 12a to 12i comprises: a printed wiring board 22 having a flexible substrate 21 and copper printed wiring lines LB, and L1 to L9 provided on the flexible substrate 21, of which the spacing between the copper printed wiring lines LB, and L1 to L9 is 1-100 μm; and an energization-detecting circuit 23 for detecting the energization of the copper printed wiring lines LB, and L1 to L9. |
