| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack in which swelling of a battery is suppressed and the battery can be cooled.SOLUTION: According to an embodiment, there is provided a battery pack 1 including a battery 12, a metal housing 2 and insulation oil 4. The battery 12 includes a plastic outer container, an electrode stored within the outer container, an electrolyte stored within the outer container, and an electrode terminal arranged in the outer container and electrically connected to the electrode. The battery 12 and the insulation oil 4 are stored within the metal housing 2. |
