Title:
POWER STORAGE MODULE AND ELECTRODE UNIT
Document Type and Number:
Japanese Patent JP2020024871
Kind Code:
A
Abstract:
To provide a power storage module capable of preventing a short circuit while avoiding increase in costs.SOLUTION: A power storage module 4 includes an electrode unit 12 including: a bipolar electrode 14 including an electrode plate 15; a first resin part 21 provided between adjacent bipolar electrodes 14; and a separator 13 arranged between the adjacent bipolar electrodes 14. A first surface 15a of the electrode plate 15 includes: a first region 15e on which a positive electrode 16 is formed; and a second region 15f outside the first region 15e, the second region having a roughened surface. A second surface 15b of the electrode plate 15 includes: a third region 15g on which a negative electrode 17 is formed; and a fourth region 15h outside the third region 15g, the fourth region having a roughened surface. The first resin part 21 is arranged so as to overlap with the second region 15f and is welded on the second region 15f. The separator 13 extends from the third region 15g so as to overlap with the first resin part 21 and the fourth region 15h and is welded on the fourth region 15h.SELECTED DRAWING: Figure 3
Inventors:
NAKAMURA TOMOHIRO
HIROSE TAKAYUKI
HIROSE TAKAYUKI
Application Number:
JP2018149310A
Publication Date:
February 13, 2020
Filing Date:
August 08, 2018
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
H01M10/04; H01G11/12; H01G11/70; H01G11/78; H01G11/80; H01M2/08; H01M2/16; H01M4/02
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama
Yoshiki Kuroki
Takashi Mikami
Hiromitsu Nakayama