Title:
POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/189149
Kind Code:
A1
Abstract:
This power storage device comprises a layered body and a sealing body for sealing the side surfaces of the layered body. The sealing body includes a first seal part welded to a first surface of a first current collector, a second seal part welded to a second surface of a second current collector, a spacer sandwiched by the first seal part and the second seal part, and a weld section formed by welding each of the outer edge sections of the spacer and each of seal sections positioned further outward than the outer edges of the current collectors. The spacer includes a first injection port communicating with an interior space. The weld section includes a second injection port communicating with the first injection port. The thickness of the spacer is greater than the thicknesses of each of the first seal part and the second seal part.
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Inventors:
KURITA MIKIYA (JP)
SAEKI YUYA (JP)
OKAMOTO YUKI (JP)
ISHIGURO FUMIHIKO (JP)
HIROSE TAKAYUKI (JP)
SAEKI YUYA (JP)
OKAMOTO YUKI (JP)
ISHIGURO FUMIHIKO (JP)
HIROSE TAKAYUKI (JP)
Application Number:
PCT/JP2023/007634
Publication Date:
October 05, 2023
Filing Date:
March 01, 2023
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
H01M10/04; H01M4/02; H01M4/13; H01M10/052; H01M10/0566; H01M10/0585; H01M50/184; H01M50/186; H01M50/197; H01M50/627
Foreign References:
| JP2021015699A | 2021-02-12 | |||
| JP2018120718A | 2018-08-02 | |||
| JP2019129070A | 2019-08-01 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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