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. 11, 2021
Filed:
Jun. 19, 2019
Applicant:
Samsung Sdi Co., Ltd., Gyeonggi-do, KR;
Inventor:
Iwao Fukuchi, Yokohama, JP;
Assignee:
SAMSUNG SDI CO., LTD., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 10/0525 (2010.01); C08L 33/02 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); C08L 33/02 (2013.01); H01M 10/0525 (2013.01); C08L 2203/20 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2205/035 (2013.01); H01M 2004/027 (2013.01);
Abstract
The present application relates to a binder for a secondary battery. The binder includes a first copolymer unit including a carboxyl group-containing acrylic monomer and at least one of an acrylic acid derivative monomer and a substituted or unsubstituted styrene and a second copolymer unit including a residue of a polymer azo initiator. A mass ratio of the second copolymer unit relative to a total mass of the first copolymer unit and the second copolymer unit is 10 mass % to 40 mass %.