Title:
BATTERY AND METHOD FOR MANUFACTURING BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/136362
Kind Code:
A1
Abstract:
Provided is a battery (1) capable of activating a current shut-off valve (diaphragm (31)) by using proper actuation pressure. This battery (1) comprises: a charge/discharge body (10); a current collecting member (20) (positive electrode current collector (21)) conductive to the charge/discharge body (10); the current shut-off valve (diaphragm (31)) laminated and joined to the positive current collector (21); an external terminal (positive terminal (41)) conductive to the diaphragm (31); a support (33) that supports the diaphragm (31) along the lamination direction (Z-axis direction) of the positive electrode current collector (21) and the diaphragm (31); and a low-rigidity member (protruding part (33e)) aligned with the support base (33) along the Z-axis direction and configured to have lower rigidity than the support base (33).
Inventors:
EGAWA HIROAKI (JP)
Application Number:
PCT/JP2023/001235
Publication Date:
July 20, 2023
Filing Date:
January 17, 2023
Export Citation:
Assignee:
VEHICLE ENERGY JAPAN INC (JP)
International Classes:
H01M50/578
Foreign References:
| JP2017027896A | 2017-02-02 | |||
| JP2017135084A | 2017-08-03 | |||
| JP2017117646A | 2017-06-29 | |||
| JP2015138672A | 2015-07-30 | |||
| JP2020155200A | 2020-09-24 |
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (JP)
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