Title:
POWER STORAGE ELEMENT AND POWER STORAGE ELEMENT PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/012465
Kind Code:
A1
Abstract:
This power storage element (10) is provided with an electrode body (400) formed by winding a negative electrode plate (420), a separator (430), and other components. When viewed in the winding axis direction, the innermost periphery (401) of the negative electrode plate (420), the separator (430), and the other components, which have been wound, has a flat shape comprising a pair of curved portions (402a and 402b) opposing one another in a first direction. An edge (420a) of the negative electrode plate (420) on the innermost periphery (401) side is disposed at a position at, or in the vicinity of one of the pair of curved portions (402a and 402b).
Inventors:
OJI KATSUYA (JP)
UEDA HISASHI (JP)
YAMANE YOSHIO (JP)
ANBO HIROAKI (JP)
UEDA HISASHI (JP)
YAMANE YOSHIO (JP)
ANBO HIROAKI (JP)
Application Number:
PCT/JP2017/025169
Publication Date:
January 18, 2018
Filing Date:
July 10, 2017
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01M10/0587; H01G9/048; H01G11/26; H01G11/74; H01G11/82; H01G13/02; H01M10/04; H01M50/536; H01M50/538
Domestic Patent References:
| WO2014002227A1 | 2014-01-03 |
Foreign References:
| JP2014056742A | 2014-03-27 | |||
| JP2016042433A | 2016-03-31 | |||
| JP2008078008A | 2008-04-03 | |||
| JP2010287513A | 2010-12-24 | |||
| JP2013045636A | 2013-03-04 |
Attorney, Agent or Firm:
NAKAHARA, Masaki (JP)
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