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:
Feb. 14, 2023
Filed:
Apr. 27, 2018
Applicants:
Dow Global Technologies Llc, Midland, MI (US);
Dow Chemical Korea Limited, Seoul, KR;
Inventors:
Xin Jiang, Shanghai, CN;
Qi Jiang, Shanghai, CN;
Hua Ren, Shanghai, CN;
Jianhai Mu, Shanghai, CN;
Eungkyu Kim, Midland, MI (US);
Kaoru Ohba, Tokyo, JP;
Jong-Cheol Kim, Seoul, KR;
Zhuo Wang, Shanghai, CN;
Assignees:
Dow Global Technologies LLC, Midland, MI (US);
Dow Chemical Korea Limited, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/1391 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/1391 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/5825 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract
The process of making a lithium ion battery cathode comprises the step of forming a slurry of an active material, a nano-size conductive agent, a binder polymer, a solvent and a dispersant. The solvent consists essentially of one or more of a compound of Formula 1, 2, or 3, and the dispersant comprises an ethyl cellulose.