Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/149212
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a secondary battery having a structure that can absorb the expansion or contraction of battery cells constituting the second battery associated with deterioration over time. The present invention pertains to a secondary battery characterized by comprising two or more battery cells, a case accommodating the battery cells, and a foam sheet positioned on the inner surface of the case and/or a foam sheet positioned so as to isolate the adjacent battery cells.
Inventors:
FUJISAKI KENICHI (JP)
TOYOMURA KYOUICHI (JP)
ASANO KIICHI (JP)
TOYOMURA KYOUICHI (JP)
ASANO KIICHI (JP)
Application Number:
PCT/JP2023/001427
Publication Date:
August 10, 2023
Filing Date:
January 19, 2023
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
H01M50/289; H01M10/647; H01M10/651; H01M10/659; H01M50/204; H01M50/211; H01M50/242; H01M50/291; H01M50/293
Foreign References:
| JP2020139062A | 2020-09-03 | |||
| JP2013514631A | 2013-04-25 | |||
| JP2021002420A | 2021-01-07 | |||
| US20220037728A1 | 2022-02-03 |
Attorney, Agent or Firm:
ONO Takayuki (JP)
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