Title:
ELECTRICITY STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/123520
Kind Code:
A1
Abstract:
This electricity storage device 10 is provided with: at least one electricity storage module 12 in which a plurality of bipolar electrodes 32 are laminated in a lamination direction, with separators 40 being interposed therebetween; and a constraining structure 16 which comprises constraining members 16A, 16B that are arranged on both ends of the at least one electricity storage module 12 in the lamination direction, and which applies a compressive force to a portion of the at least one electricity storage module 12 in the lamination direction, in said portion a positive electrode 36, a separator 40 and a negative electrode 38 being provided. Each separator 40 which is sandwiched between the positive electrode 36 and the negative electrode 38, while being arranged between the plurality of bipolar electrodes 32 is formed from a porous resin. The compression rate of each separator 40 compressed by the constraining structure 16 is more than 0% but less than 40%.
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Inventors:
MARIYA TSUYOSHI (JP)
TAMARU KOJIRO (JP)
TANAKA TOSHIMITSU (JP)
TAMARU KOJIRO (JP)
TANAKA TOSHIMITSU (JP)
Application Number:
PCT/JP2017/044230
Publication Date:
July 05, 2018
Filing Date:
December 08, 2017
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
H01M10/04; H01G2/04; H01G11/12; H01G11/52; H01M10/30; H01M50/409; H01M50/489; H01M50/491
Foreign References:
| JP2004523091A | 2004-07-29 | |||
| JP2003123712A | 2003-04-25 | |||
| JP2010198933A | 2010-09-09 | |||
| JP2002075318A | 2002-03-15 | |||
| JP2012216426A | 2012-11-08 | |||
| JP2011138761A | 2011-07-14 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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