Title:
SEPARATOR FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/210786
Kind Code:
A1
Abstract:
A separator for nonaqueous secondary batteries according to one embodiment of the present invention comprises: a heat-resistant porous layer which contains an aromatic resin and inorganic particles; and an adhesive layer which is arranged on the heat-resistant porous layer and contains adhesive resin particles that contain a phenyl group-containing acrylic resin, wherein the adhesive resin particles that contain a phenyl group-containing acrylic resin adhere to the heat-resistant porous layer. With respect to this separator for nonaqueous secondary batteries, the average primary particle diameter of the inorganic particles is not less than 0.01 µm but less than 0.50 µm.
Inventors:
OKAZAKI MASATO (JP)
SATO MEGUMI (JP)
NISHIKAWA SATOSHI (JP)
SATO MEGUMI (JP)
NISHIKAWA SATOSHI (JP)
Application Number:
PCT/JP2023/016768
Publication Date:
November 02, 2023
Filing Date:
April 27, 2023
Export Citation:
Assignee:
TEIJIN LTD (JP)
International Classes:
H01M50/451; B32B5/18; B32B27/30; H01M50/42; H01M50/423; H01M50/434; H01M50/443; H01M50/446; H01M50/457; H01M50/489
Domestic Patent References:
| WO2014050708A1 | 2014-04-03 | |||
| WO2020246497A1 | 2020-12-10 | |||
| WO2019130994A1 | 2019-07-04 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
Download PDF: