Title:
POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2020053401
Kind Code:
A
Abstract:
To provide a power storage device in which the displacement between adjacent bipolar electrodes is suppressed.SOLUTION: A power storage device 10 comprises a plurality of bipolar electrodes 12 laminated. Each bipolar electrode 12 has: a current collector 16 having a first face 16a and a second face 16b on a side opposite to the first face 16a; a positive electrode layer 18 provided on the first face 16a; and a negative electrode layer 20 provided on the second face 16b. The power storage device 10 further comprises: a resin member 28 provided on at least one face of the first face 16a and the second face 16b in at least a part of an outer peripheral portion 161 of the current collector 16; and an insulative case 30 provided on the resin members 28, and supporting the outer peripheral portions 161 of the current collectors 16 through the resin members 28. In the power storage device, the resin members 28 of adjacent bipolar electrodes 12 in a lamination direction of the plurality of bipolar electrodes 12 are joined to each other by a welding portion 129.SELECTED DRAWING: Figure 3
Inventors:
OKUDA SHINYA
ENDO SATOSHI
ENDO SATOSHI
Application Number:
JP2019221976A
Publication Date:
April 02, 2020
Filing Date:
December 09, 2019
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
H01M10/04; H01G11/82; H01M2/02
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama
Tosuke Yosuke
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama
Tosuke Yosuke