Title:
ELECTRODE GROUP FOR BATTERY, STORAGE BATTERY, BATTERY PACK, ELECTRIC VEHICLE, AND MANUFACTURING METHOD FOR ELECTRODE GROUP FOR BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/101974
Kind Code:
A1
Abstract:
This electrode group for a battery comprises a positive electrode, a separator, and a negative electrode which overlap one another, in said order, in a first direction. The positive electrode extends in a second direction perpendicular to the first direction and has a tube in which a current collector and a positive electrode active material are accommodated; the separator has a first base part including a front surface that faces the positive electrode in the first direction and a rear surface that faces the negative electrode in the first direction; the first base part is provided with a first projecting part that projects from the rear surface in the thickness direction of the separator; and the front surface has a contact part that comes into contact with the tube.
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Inventors:
TAKEBE TOMONORI (JP)
MURAMATSU MASANORI (JP)
MURAMATSU MASANORI (JP)
Application Number:
PCT/JP2020/041908
Publication Date:
May 19, 2022
Filing Date:
November 10, 2020
Export Citation:
Assignee:
SHOWA DENKO MATERIALS CO LTD (JP)
International Classes:
H01M10/12; H01M4/14; H01M4/76; H01M50/463
Domestic Patent References:
| WO2019087681A1 | 2019-05-09 |
Foreign References:
| EP3316355A1 | 2018-05-02 | |||
| JPH06187967A | 1994-07-08 | |||
| JPS52156340A | 1977-12-26 | |||
| JPS4022015Y1 | 1965-07-29 | |||
| JPH08273651A | 1996-10-18 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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