| 摘要 |
PROBLEM TO BE SOLVED: To provide a secondary battery device having improved assemblability and reliability.SOLUTION: A secondary battery device 10 includes: secondary battery cells 14; a case 12 housing the secondary battery cells 14; and foam coating film layers 40, 50 disposed between outer surfaces of the secondary battery cells 14 and an inner surface of the case 12 and holding the secondary battery cells 14. The foam coating film layers 40, 50 are formed by applying a foam coating material to an inner surface of a case body 16 and elastically contact with the outer surfaces of the secondary battery cells 14. |
