Title:
蓄電装置
Document Type and Number:
Japanese Patent JP6506419
Kind Code:
B2
Abstract:
Provided is a power storage device such that safety can be ensured by cleavage of a cleavage site upon the action of an impact such as from a collision. The power storage device 100 comprises: a plurality of power storage cells 10 which have been layered; a deforming portion (battery lid) 13 provided on each of the power storage cells 10, and deforming under an external force incoming from the exterior; a breaking portion (gas evacuation valve 50) broken by the deformation of the deforming portion and releasing into the atmosphere the internal pressure of the power storage cell; and a pressing member 151 transmitting the external force to the deforming portion, and deforming the deforming portion.
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Inventors:
Kurihara Katsutoshi
Takashi Sasaki
Akinori Tada
Yoshishi Iizuka
Takashi Sasaki
Akinori Tada
Yoshishi Iizuka
Application Number:
JP2017562485A
Publication Date:
April 24, 2019
Filing Date:
December 22, 2016
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
H01G11/12; H01G11/14; H01G11/78; H01M10/613; H01M10/647; H01M10/6557; H01M10/6561; H01M50/147; H01M50/209; H01M50/242; H01M50/627; H01M50/224; H01M50/264; H01M50/289
Domestic Patent References:
| JP2010165585A | ||||
| JP200225525A | ||||
| JP2011187171A | ||||
| JP2015106491A |
Foreign References:
| WO2014024426A1 |
Attorney, Agent or Firm:
Patent Business Corporation Sunnext International Patent Office