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Title:
BATTERY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/014449
Kind Code:
A1
Abstract:
A battery system comprises: a battery module provided with batteries having vents for discharging gas within the batteries when the pressure within the batteries rises, and also with a gas discharge section provided with an opening and guiding the gas, which is discharged from the vents, to the opening; a non-return type switch element provided near the opening at a position through which the guided gas passes and changing, when the temperature of the switch element is higher than or equal to a preset reference temperature, from a first state to a second state, the first state being either a fully open state or a fully closed state which is previously set, the second state being the other state; and a high temperature abnormality determination section which, when the switch element is in the second state, determines that the battery module has an abnormality.

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Inventors:
ASAKURA JUN
YASUI SHUNSUKE
TAKASAKI HIROSHI
Application Number:
PCT/JP2011/004213
Publication Date:
February 02, 2012
Filing Date:
July 26, 2011
Export Citation:
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Assignee:
PANASONIC CORP (JP)
ASAKURA JUN
YASUI SHUNSUKE
TAKASAKI HIROSHI
International Classes:
H01M10/48; H01M2/10; H01M2/12
Foreign References:
JP2007265658A2007-10-11
JP2009303364A2009-12-24
JPH1125938A1999-01-29
Other References:
See also references of EP 2493005A4
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)
Download PDF:
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Claims:



 
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