Patent ID: 9692091
Date: 2017-06-27
CPC Classifications: H01M,Y02E

Claim:
1. A battery pack comprising: a plurality of unit cells; a housing having interior surfaces and exterior surfaces, in which the plurality of the unit cells are stored in an inside space of the housing and the inside space of the housing is completely sealed, the exterior surface of the housing being exposed outside air; an internal cooling fan arranged in the inside space of the housing and configured to supply internal cooling air to the inside space of the housing; and a radiation section formed on at least a first exterior surface in the exterior surfaces of the housing, and the radiation section comprising a plurality of radiation fins arranged at predetermined intervals to increase a radiation capability thereof to be higher than a radiation capability of each of the other exterior surfaces, wherein the internal cooling fan is arranged in the inside space of the housing so that the internal cooling air passes along surfaces of the plurality of the unit cells and then flows along the interior surfaces of the housing having the radiation section which is formed on at least the first exterior surface of the housing.