Title:
POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/163210
Kind Code:
A1
Abstract:
A power storage device, according to the present disclosure, is equipped with: a power storage element; a bottomed cylindrical case that accommodates the power storage element and that has an opening at one end thereof; and a sealing body that seals the opening. The case has, near the opening thereof, a first pressing part that presses the side surface of the sealing body and protrudes to the inside the case, and a second pressing part that presses the upper surface of the sealing body. Formed on the upper surface of the sealing body is a slit that extends further to the inside of the case in the radial direction thereof than the second pressing part and that opens the side surface of the sealing body.
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Inventors:
KOBAYASHI TOSHITAKA
HAYASHI HIROKI
ISHII EIKO
SHIMAMOTO HIDEKI
MORIOKA RYOTA
HAYASHI HIROKI
ISHII EIKO
SHIMAMOTO HIDEKI
MORIOKA RYOTA
Application Number:
PCT/JP2021/047005
Publication Date:
August 04, 2022
Filing Date:
December 20, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01G11/80; H01G9/12; H01M50/342
Domestic Patent References:
| WO2013073192A1 | 2013-05-23 |
Foreign References:
| JPS5612342U | 1981-02-02 | |||
| JP2006049499A | 2006-02-16 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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