Login| Sign Up| Help| Contact|

Patent Searching and Data


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)
Application Number:
PCT/JP2019/018141
Publication Date:
December 12, 2019
Filing Date:
April 26, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
H01G11/52; H01M50/409; H01M50/443; H01M50/489
Domestic Patent References:
WO2017010480A12017-01-19
WO2017073781A12017-05-04
WO2012005152A12012-01-12
Foreign References:
JP2014003025A2014-01-09
JP2009185093A2009-08-20
JP2017001402A2017-01-05
US20160172645A12016-06-16
JP2017080977A2017-05-18
JP2016203621A2016-12-08
JP2015141814A2015-08-03
JP2016076337A2016-05-12
JP2011100602A2011-05-19
JP2013046998A2013-03-07
Other References:
See also references of EP 3806192A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
Download PDF: