Title:
二次電池、電池パック、電子機器、電動工具、電動式航空機及び電動車両
Document Type and Number:
Japanese Patent JP7298691
Kind Code:
B2
Abstract:
Provided is a secondary battery, where a positive electrode includes a first covered part covered with a positive electrode active material layer and a positive electrode active material non-covered part on a positive electrode foil, and a negative electrode includes a second covered part covered with a negative electrode active material layer and a negative electrode active material non-covered part on a negative electrode foil, the positive electrode active material non-covered part is joined to the positive electrode current-collecting plate at one end of an electrode wound body, the negative electrode active material non-covered part is joined to the negative electrode current-collecting plate at the other end of the electrode wound body.
Inventors:
Yasuaki Hara
Application Number:
JP2021536925A
Publication Date:
June 27, 2023
Filing Date:
July 16, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01M50/536; H01M4/04; H01M10/04; H01M50/247; H01M50/249; H01M50/533; H01M50/534; H01M50/586; H01M50/591
Domestic Patent References:
| JP2003203620A | ||||
| JP2007335156A |
Foreign References:
| WO2013001821A1 |
Attorney, Agent or Firm:
Takuma Sugiura
Masatomo Sugiura
Masatomo Sugiura