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:
Jun. 28, 2022
Filed:
Mar. 18, 2016
Applicant:
Sekisui Chemical Co., Ltd., Osaka, JP;
Inventor:
Ayako Oota, Shiga, JP;
Assignee:
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/13 (2010.01); H01M 10/0525 (2010.01); H01M 4/04 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); H01M 4/04 (2013.01); H01M 4/13 (2013.01); H01M 4/62 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01);
Abstract
The present invention aims to provide a composition for a lithium secondary battery electrode which is excellent in dispersibility of an active material and adhesiveness to a current collector and is capable of producing a high-capacity lithium secondary battery. The present invention relates to a composition for a lithium secondary battery electrode including: an active material; a binder; and an organic solvent, the binder containing a polyvinyl acetal resin, the binder having a Na ion content of 100 ppm or less.