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. 18, 2021
Filed:
Apr. 18, 2017
Applicant:
Zeon Corporation, Tokyo, JP;
Inventor:
Junichi Asano, Tokyo, JP;
Assignee:
ZEON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/13 (2010.01); H01M 50/409 (2021.01); H01M 4/04 (2006.01); H01M 4/1391 (2010.01); H01M 10/058 (2010.01);
U.S. Cl.
CPC ...
H01M 4/623 (2013.01); H01M 4/0404 (2013.01); H01M 4/13 (2013.01); H01M 4/1391 (2013.01); H01M 4/62 (2013.01); H01M 50/409 (2021.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01);
Abstract
Provided is a binder composition for a non-aqueous secondary battery functional layer that enables production of a composition for a non-aqueous secondary battery functional layer that has excellent stability and can cause a non-aqueous secondary battery to display excellent cycle characteristics. The binder composition contains a water-soluble polymer and water. The water-soluble polymer has a contact angle with water of at least 40° and not more than 80° and has a degree of swelling in electrolyte solution of more than a factor of 1.0 and not more than a factor of 3.0.