Title:
POWER STORAGE ELEMENT AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/186173
Kind Code:
A1
Abstract:
A power storage element according to one aspect of the present invention comprises an electrode body obtained by superimposing a first separator, a first electrode, a second separator, and a second electrode in this order and winding the same in the superimposed state, the electrode body not having a winding core. At an innermost circumferential portion of the electrode body, at least a portion of the first separator and at least a portion of the second separator are adhered. The first separator has a layer containing inorganic particles, and the layer containing the inorganic particles is disposed on the innermost circumferential surface of the electrode body.
Inventors:
KAWASOE YUDAI (JP)
SEKIGUCHI TAISEI (JP)
HARINAGA UKYO (JP)
SEKIGUCHI TAISEI (JP)
HARINAGA UKYO (JP)
Application Number:
PCT/JP2022/008492
Publication Date:
September 09, 2022
Filing Date:
March 01, 2022
Export Citation:
Assignee:
GS YUASA INT LTD (JP)
International Classes:
H01G11/52; H01G9/02; H01M10/04; H01M10/0587; H01M50/414; H01M50/431; H01M50/451
Domestic Patent References:
| WO2015099190A1 | 2015-07-02 |
Foreign References:
| JP2017027681A | 2017-02-02 | |||
| JP2003282136A | 2003-10-03 | |||
| JP2010244875A | 2010-10-28 | |||
| JP2017103111A | 2017-06-08 | |||
| CN112332027A | 2021-02-05 |
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