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:
Mar. 03, 2026
Filed:
Sep. 19, 2022
Arakawa Chemical Industries, Ltd., Osaka, JP;
Naoki Sasagawa, Ibaraki, JP;
Shinji Ozaki, Ibaraki, JP;
Satoru Aoyama, Ibaraki, JP;
Katsuya Okubo, Ibaraki, JP;
ARAKAWA CHEMICAL INDUSTRIES, LTD., Osaka, JP;
Abstract
A binder aqueous solution for power storage device, a slurry for power storage device, an electrode for power storage device, a separator for power storage device, a separator/electrode laminate for power storage device and a power storage device are provided. The present disclosure provides a binder aqueous solution for power storage device, in which the binder aqueous solution for power storage device contains a water-soluble polymer, the water-soluble polymer contains more than 99 mass % and less than 99.9 mass % of a structural unit derived from a (meth)acrylamide group-containing compound and more than 0.1 mass % and less than 1 mass % of a structural unit derived from an unsaturated hydrocarbon sulfonic acid and/or a salt thereof, and a weight average molecular weight of the water-soluble polymer is less than 300,000.