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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.:

US 11349115 B1

PDFFull Text
Date of Patent:
May. 31, 2022

Filed:

Apr. 27, 2018

Solvent systems for use in lithium ion battery production

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:

Quarles & Brady LLP

Primary Examiner:

Katie L Hammer

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).

Find Patent Forward Citations

Jiang, Xin. (2022). Solvent systems for use in lithium ion battery production (U.S. Patent No. 11349115). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11349115

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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