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:
May. 14, 2024
Filed:
Aug. 24, 2021
Applicant:
Zeon Corporation, Tokyo, JP;
Inventors:
Akito Nakai, Tokyo, JP;
Naoki Takahashi, Tokyo, JP;
Assignee:
ZEON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/60 (2006.01); C08F 236/12 (2006.01); C08K 5/02 (2006.01); H01B 1/24 (2006.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); C08F 236/12 (2013.01); C08K 5/02 (2013.01); H01B 1/24 (2013.01); H01M 4/625 (2013.01);
Abstract
Provided is a binder composition for an electrochemical device that has excellent viscosity stability and is capable of forming an electrode having excellent peel strength. The binder composition contains a polymer including a nitrile group-containing monomer unit, N-methyl-2-pyrrolidone, and a halogenated hydrocarbon. The content of the halogenated hydrocarbon is not less than 2 mass ppm and not more than 400 mass ppm relative to the content of the polymer.