| 摘要 |
PROBLEM TO BE SOLVED: To provide an abnormality detecting device of a thin battery capable of making a battery pack small and light, and reducing the costs of the battery pack. SOLUTION: A battery 20 having four thin batteries 10a-10d connected in parallel is equipped with a bus bar 21 having a first piece 21a and a second piece 21b facing each other and a third piece 21c crossing to the first and second pieces 21a, 21b, and connected to each positive terminal 104 of the thin batteries 10a-10d, and a magnetic sensor 22 in which distance L<SB>a</SB>from the first piece 21a of the bus bar 21 and distance L<SB>a</SB>from the second piece 21b are practically equal, the distance Lb from the third piece 21c is longer than the distance La, and detecting magnetic force of a space surrounded by bus bar 21, and a main controller of a vehicle detects the abnormality of the thin batteries 10a-10d on the basis of the magnetic force detected with the magnetic sensor 22. COPYRIGHT: (C)2005,JPO&NCIPI |
