Title:
POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/003772
Kind Code:
A1
Abstract:
Provided is a power storage device comprising: a battery stack in which a plurality of secondary batteries and a plurality of spacers are alternately arranged; a pair of end plates disposed on both sides in the first direction of the battery stack; and a compression spring serving as a pressurizing means for pressurizing the battery stack. Each of the secondary batteries includes an electrode body and an outer case. The outer case has a projection that swells towards the inside so as to press the electrode body in the first direction and deforms with expansion of the electrode body.
Inventors:
FUJIWARA ISAO
SHINYASHIKI YOSHITAKA
SHINYASHIKI YOSHITAKA
Application Number:
PCT/JP2018/020689
Publication Date:
January 03, 2019
Filing Date:
May 30, 2018
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M10/48; H01M50/103; H01M50/209; H01M50/293; H01M50/503
Domestic Patent References:
| WO2014010439A1 | 2014-01-16 |
Foreign References:
| JP2015230798A | 2015-12-21 | |||
| JP2015230764A | 2015-12-21 | |||
| JP2013097888A | 2013-05-20 | |||
| JP2008251340A | 2008-10-16 | |||
| JP2005196991A | 2005-07-21 | |||
| JP2016143515A | 2016-08-08 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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