| 摘要 |
<p>PURPOSE: A battery pack is provided to improve a cooling property of a battery pack by discharging the heat thereinside through fluid circulation by vertically and/or horizontally laminating a battery module formed by laminating a plurality of unit battery cells. CONSTITUTION: A battery pack comprises: a battery module(100) including at least one battery cell; and a cover which accommodates the battery module thereinside, and includes a circulation flow path in which the cooling fluid circulates. The cover includes a first cover exposed to the outside; and a second cover which is separated from the first cover inside the first cover. The circulation flow path is arranged between the first cover and the second cover.</p> |
