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US 8,475,952 B2Granted
Battery module and battery pack using the same
AssigneePanasonic Corporation
InventorsShunsuke Yasui, Hiroshi Takasaki, Takuya Nakashima
Life of this patent
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Abstract
The battery module includes: a plurality of batteries; a housing 50 in which the plurality of batteries are aligned and stored; and a cooling pipe 70 provided along the plurality of batteries in the housing 50, the cooling pipe 70 being filled with a cooling medium, wherein the cooling pipe 70 is made of a material which melts when the temperature of the battery reaches or exceeds a predetermined temperature.
Claims16
A battery module comprising:
- a plurality of batteries;
- a housing in which the plurality of batteries are aligned and stored;
- a cooling pipe provided along the plurality of batteries in the housing, the cooling pipe being filled with a cooling medium, wherein
- the cooling pipe has a layered structure including a metal film and resin layers provided on both surfaces of the metal film, and is ruptured by melting the resin layers and by rupturing the metal film when a temperature of the battery reaches or exceeds a predetermined temperature,
- the cooling pipe is formed into a bag shape, and
- the housing is partitioned by a flat plate disposed in contact with battery cases around electrode portions of the batteries into a storage portion in which the plurality of batteries are stored, and an exhaust chamber via which gas released from an opening portion of the electrode portion is exhausted outside the housing.
3 more elements
A battery module comprising:
- a plurality of batteries;
- a housing in which the plurality of batteries are aligned and stored;
- a cooling pipe provided along the plurality of batteries in the housing, the cooling pipe being filled with a cooling medium, wherein:
- the cooling pipe has a layered structure including a metal film and resin layers provided on both surfaces of the metal film, and is ruptured by melting the resin layers and by rupturing the metal film when a temperature of the battery reaches or exceeds a predetermined temperature, and
- the metal film is made of aluminum foil having a thickness of 90-120 μM.
2 more elements
A battery module comprising:
- a plurality of batteries;
- a housing in which the plurality of batteries are aligned and stored;
- and
- a cooling pipe provided along the plurality of batteries in the housing, the cooling pipe being filled with a cooling medium, wherein:
- the cooling pipe is made of a resin compact which melts when a temperature of the battery reaches or exceeds a predetermined temperature, and has a hollow portion, and
- the plurality of batteries are accommodated into the hollow portion of the cooling pipe, and are closely in contact with and fixed to an inner wall of the hollow portion.
3 more elements
Dependencies are inferred from the claim text.