BATTERY PACK CAPABLE OF DISCHARGING GASES IN POUCH TYPE BATTERY CELL
First Claim
1. A battery pack, comprising:
- a plurality of pouch type battery cells;
a case comprising partitions suppressing the pouch type battery cells from expanding in a thickness direction thereof, wherein the pouch type battery cells are respectively held in spaces defined by the partitions; and
a punching unit installed on the case to pierce a portion of surfaces of the pouch type battery cells, which is not supported by the partition, and having pin members of which number is equal to that of the pouch type battery cells.
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Accused Products
Abstract
The present invention relates to a battery pack capable of discharging gases in a pouch type battery cell when a gas pressure inside the pouch type battery cell is increased over a reference pressure, the battery pack including: a plurality of pouch type battery cells; a case comprising partitions suppressing the pouch type battery cells from expanding in a thickness direction thereof, wherein the pouch type battery cells are respectively held in spaces defined by the partitions; and a punching unit installed on the case to pierce a portion of surfaces of the pouch type battery cells , which is not supported by the partition, and having pin members of which number is equal to that of the pouch type battery cells.
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Citations
7 Claims
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1. A battery pack, comprising:
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a plurality of pouch type battery cells; a case comprising partitions suppressing the pouch type battery cells from expanding in a thickness direction thereof, wherein the pouch type battery cells are respectively held in spaces defined by the partitions; and a punching unit installed on the case to pierce a portion of surfaces of the pouch type battery cells, which is not supported by the partition, and having pin members of which number is equal to that of the pouch type battery cells. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification