Title:
MULTILAYER SEPARATOR
Document Type and Number:
WIPO Patent Application WO/2019/235112
Kind Code:
A1
Abstract:
In an exchange NMR measurement of a fluoride ion of an electrical storage device multilayer separator that comprises porous layer A which contains a polyolefin resin and porous layer B which contains inorganic particles, r(AB) satisfies the relationship: r(AB)≥45, where r(AB) is the ion transmission rate (%) between porous layer A and porous layer B in a mixing time of 100 ms.
Inventors:
HATAYAMA HIROSHI (JP)
HORIIKE NORIKO (JP)
MURAKAMI MASATO (JP)
HORIIKE NORIKO (JP)
MURAKAMI MASATO (JP)
Application Number:
PCT/JP2019/018141
Publication Date:
December 12, 2019
Filing Date:
April 26, 2019
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
H01G11/52; H01M50/409; H01M50/443; H01M50/489
Domestic Patent References:
WO2017010480A1 | 2017-01-19 | |||
WO2017073781A1 | 2017-05-04 | |||
WO2012005152A1 | 2012-01-12 |
Foreign References:
JP2014003025A | 2014-01-09 | |||
JP2009185093A | 2009-08-20 | |||
JP2017001402A | 2017-01-05 | |||
US20160172645A1 | 2016-06-16 | |||
JP2017080977A | 2017-05-18 | |||
JP2016203621A | 2016-12-08 | |||
JP2015141814A | 2015-08-03 | |||
JP2016076337A | 2016-05-12 | |||
JP2011100602A | 2011-05-19 | |||
JP2013046998A | 2013-03-07 |
Other References:
See also references of EP 3806192A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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