Title:
SEPARATOR FOR POWER STORAGE DEVICES, AND POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/186257
Kind Code:
A1
Abstract:
A separator for power storage devices, the separator comprising a layer (A) that contains a polyolefin and a layer (B) that is arranged on at least one surface of the layer (A), while containing an inorganic filler, a water-insoluble binder, a water-soluble binder and a polyacrylic acid-based dispersant. The thermal shrinkage ratio S1 of this separator for power storage devices in propylene carbonate at 140°C is 5% or less.
Inventors:
MACHIDA NAOKI (JP)
UCHIDA YUKI (JP)
HOSOKIBARA ATSUSHI (JP)
UCHIDA YUKI (JP)
HOSOKIBARA ATSUSHI (JP)
Application Number:
PCT/JP2022/008796
Publication Date:
September 09, 2022
Filing Date:
March 02, 2022
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
H01G11/52; H01M4/525; H01M50/42; H01M50/431; H01M50/443; H01M50/446; H01M50/451; H01M50/489
Domestic Patent References:
| WO2021020061A1 | 2021-02-04 |
Foreign References:
| JP2006027024A | 2006-02-02 | |||
| JP2019140114A | 2019-08-22 | |||
| JP2021035688A | 2021-03-04 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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