The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2023
Filed:
Nov. 09, 2018
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventors:
Masato Murakami, Tokyo, JP;
Shintaro Inaba, Tokyo, JP;
Shinya Hisamitsu, Tokyo, JP;
Daisuke Inagaki, Tokyo, JP;
Hiroshi Hatayama, Tokyo, JP;
Assignee:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); H01M 50/403 (2021.01); H01M 50/491 (2021.01); H01M 50/417 (2021.01); H01M 50/489 (2021.01); H01M 50/431 (2021.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0525 (2013.01); H01M 50/403 (2021.01); H01M 50/417 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); H01M 50/431 (2021.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract
This separator for a power storage device has a porous layer containing a polyolefin resin and surface-treated ionic compound. The ionic compound content of the porous layer is 5 to 99 mass %, and the degree of surface hydrophilicity of the ionic compound is 0.10 to 0.80.