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. 31, 2022
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;
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/139 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/131 (2010.01); H01M 4/1391 (2010.01); H01M 4/04 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/139 (2013.01); H01M 4/02 (2013.01); H01M 4/04 (2013.01); H01M 4/131 (2013.01); H01M 4/1391 (2013.01); H01M 4/62 (2013.01); H01M 4/623 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); Y02E 60/10 (2013.01);
Abstract
In the process of producing a lithium ion battery, one or more compounds of Formula 1, 2, 3 or 4 (e.g., N,N-dimethylpropionamide), is used as the solvent in the step of forming a slurry from an active material (e.g., lithium cobalt oxide), a conductive agent (e.g., carbon black), and a binder polymer (e.g., polyvinylidene fluoride).