| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery pack the whole of which can be kept in a safe state by controlling a direction in which a gas is jetted from a battery.SOLUTION: In the battery pack, a plurality of secondary batteries 100 are arranged and housed in a resin holder 22. Each of the secondary batteries has a gas discharge part for discharging a gas generated in the secondary battery to the outside of the battery and is inserted into a metal pipe 29. The gas discharge part is directed outward from an opening of the metal pipe. The metal pipe is held by the resin holder. |
