| 摘要 |
<p>PURPOSE: A battery pack is provided to attach/detach conveniently by arranging a cooling part and charging/discharging terminal in same interface, charge/discharge secondary battery, and cool down heat generated by charging/discharging. CONSTITUTION: A battery pack(2000) comprises: a housing(100) including a plurality of secondary cells(10); a cooling part(210) including an entrance(220) and an exit(230) for cooling fluid; a terminal part(300) including a first terminal(310) which attachably and detachably connects to the cooling part and circulates the cooling fluid. The battery pack additionally comprises a check valve, which includes a first side and a second side, is opened when the cooling fluid move to the second side from the first side, and is closed when the cooling fluid move to the first side from the second side. The check valve locates in the cooling part or the first terminal.</p> |
