Title:
CYLINDRICAL BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/068203
Kind Code:
A1
Abstract:
Provided is a cylindrical battery that has improved safety and also suppresses deformation of a bottom part. According to one aspect of the present disclosure, a cylindrical battery comprises an electrode body, an electrolyte, an outer can that is a bottomed cylinder that houses the electrode body and the electrolyte, and a sealing body that closes an opening part of the outer can. A bottom part of the outer can has a first groove that forms a polygon and a plurality of second grooves that respectively extend from the plurality of vertices of the polygon toward the outside.
Inventors:
MIHARA SATORU
OKUTANI OOSE
HASHIMOTO JUNYA
OKUTANI OOSE
HASHIMOTO JUNYA
Application Number:
PCT/JP2022/038427
Publication Date:
April 27, 2023
Filing Date:
October 14, 2022
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
PANASONIC HOLDINGS CORP (JP)
PANASONIC HOLDINGS CORP (JP)
International Classes:
H01M50/107; H01M50/342
Domestic Patent References:
| WO2012153675A1 | 2012-11-15 |
Foreign References:
| JP2012243725A | 2012-12-10 | |||
| JP2006338979A | 2006-12-14 | |||
| JP2004259456A | 2004-09-16 | |||
| JPH06140011A | 1994-05-20 | |||
| JPH06333548A | 1994-12-02 | |||
| JPH01309252A | 1989-12-13 | |||
| JPH11213978A | 1999-08-06 | |||
| JP2006338979A | 2006-12-14 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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