Title:
電池システム
Document Type and Number:
Japanese Patent JP4965750
Kind Code:
B2
Abstract:
A battery system includes a battery module that has a plurality of batteries which are provided with release portions each for releasing internal gas when an internal pressure is increased, and an exhaust portion which is provided with an opening portion and guides gas released from the release portions to the opening portion, a non-resettable switch element which is provided at a position where the guided gas passes in a vicinity of the opening portion, and is changed from a first state preset as one of an opened state and a closed state into a second state as the other one of the opened state and the closed state when a preset reference temperature or higher is reached, and a high-temperature abnormality determination unit which determines that the battery module has an abnormality when the switch element is in the second state.
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Inventors:
Atsushi Asakura
Shunsuke Yasui
Hiroshi Takasaki
Shunsuke Yasui
Hiroshi Takasaki
Application Number:
JP2012501492A
Publication Date:
July 04, 2012
Filing Date:
July 26, 2011
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H01M2/10; H01M2/12; H01M10/48
Domestic Patent References:
| JP2007265658A | 2007-10-11 | |||
| JPH1125938A | 1999-01-29 | |||
| JPH1012285A | 1998-01-16 | |||
| JP2002083579A | 2002-03-22 | |||
| JP2009303364A | 2009-12-24 |
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Hiroto Onishi
Masataka Otani
Hiroto Onishi