Title:
POWER STORAGE MODULE AND MANUFACTURING METHOD OF POWER STORAGE MODULE
Document Type and Number:
Japanese Patent JP2019204671
Kind Code:
A
Abstract:
To provide a highly reliable power storage module and a manufacturing method of such a power storage module.SOLUTION: A power storage module comprises an electrode laminate including a plurality of laminated bipolar electrodes 14, a frame-like encapsulation body provided on the lateral face of the electrode laminate, and encapsulating between the bipolar electrodes 14 adjoining in the lamination direction. The encapsulation body has a plurality of primary encapsulation bodies 21A provided, respectively, in the marginal parts 15c of the plurality of bipolar electrodes 14, and a secondary encapsulation body surrounding the primary encapsulation bodies 21A from the outside. In the electrode laminate, the marginal parts 15c of the plurality of bipolar electrodes 14 and the plurality of primary encapsulation bodies 21A are stacked in the lamination direction. In each of the plurality of primary encapsulation bodies 21A, the inner edge 26a of the contact area 26 with an adjacent element in the lamination direction of the electrode laminate has a recess 27 when viewing from the lamination direction.SELECTED DRAWING: Figure 3
Inventors:
HAMAGUCHI YOHEI
KISHINE SHO
KISHINE SHO
Application Number:
JP2018098932A
Publication Date:
November 28, 2019
Filing Date:
May 23, 2018
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
H01M10/04; H01G11/12; H01G11/80; H01G11/82; H01G11/84; H01M2/02
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama
Kiharu Masaharu
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama
Kiharu Masaharu