Battery pack
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsKeisuke Shimizu, Tomohiko Yokoyama, Masato Fujikawa
Life of this patent
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Abstract
A battery pack 200 including a plurality of cells 100, in which the plurality of cells 100 are arranged so as to be oriented in the same direction, the cells 100 each have a first safety valve and a second safety valve whose operating pressure is higher than an operating pressure of the first safety valve, the first safety valve of each cell 100 is connected to a first exhaust passage 50, the second safety valve of each cell 100 is connected to a second exhaust passage 60, and the first exhaust passage 50 is spatially separated from the second exhaust passage 60.
Claims12
A battery pack comprising a plurality of cells, wherein
- the plurality of cells are arranged such that the cells are oriented in a same direction,
- the cells each have a first safety valve and a second safety valve whose operating pressure is higher than an operating pressure of the first safety valve,
- the first safety valve of each cell is connected to a first exhaust passage,
- the second safety valve of each cell is connected to a second exhaust passage, and
- the first exhaust passage is spatially separated from the second exhaust passage such that fluid within the first exhaust passage is isolated from fluid within the second exhaust passage.
Dependencies are inferred from the claim text.