Title:
POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2019021513
Kind Code:
A
Abstract:
To provide a power storage device capable of adding a uniform restraint pressure to a power storage module while avoiding an increase in physical size and weight.SOLUTION: A power storage device includes one or a plurality of power storage modules 4 each including an electrode laminate 11 in which a plurality of bipolar electrodes 14 are laminated via a separator 13, a constraining portion 3 including a pair of constraining plates 8 sandwiching the power storage module 4 in the lamination direction of the electrode laminate 11 and a fastening member for fastening the pair of constraining plates 8, and an elastic member F disposed between at least one of the restraint plates 8 and the power storage module 4 and having a smaller surface pressure against compression than the separator 13.SELECTED DRAWING: Figure 1
Inventors:
MORISAKU NAOTO
Application Number:
JP2017139297A
Publication Date:
February 07, 2019
Filing Date:
July 18, 2017
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
H01M10/04; H01G2/04; H01G11/10; H01M2/14
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama