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Title:
SEPARATOR FOR NON-AQUEOUS SECONDARY CELL, AND NON-AQUEOUS SECONDARY CELL
Document Type and Number:
WIPO Patent Application WO/2020/189119
Kind Code:
A1
Abstract:
A separator for a nonaqueous secondary cell, the separator comprising a porous base material, and an adhesive porous layer provided on one or both sides of the porous base material, and including polyvinylidene fluoride resin, an acrylic resin, and metallic sulfate particles, the average primary particle diameter of the metallic sulfate particles included in the adhesive porous layer being at least 0.01 µm and less than 0.30 µm.

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Inventors:
SAKURAI HIROSHI (JP)
KURATANI RIKA (JP)
NISHIKAWA SATOSHI (JP)
Application Number:
PCT/JP2020/005806
Publication Date:
September 24, 2020
Filing Date:
February 14, 2020
Export Citation:
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Assignee:
TEIJIN LTD (JP)
International Classes:
H01M50/409; H01M50/443; H01M50/489; H01M50/491
Domestic Patent References:
WO2017195563A12017-11-16
WO2015190265A12015-12-17
WO2017082260A12017-05-18
Foreign References:
JP2018163872A2018-10-18
JPS5429811B21979-09-26
JP4127989B22008-07-30
JP2019050778A2019-04-04
Other References:
See also references of EP 3920266A4
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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