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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 12126047 B1

PDFFull Text
Date of Patent:
Oct. 22, 2024

Filed:

Apr. 17, 2020

Separator for secondary battery comprising dispersant and method of manufacturing the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Myeong Soo Kim, Daejeon, KR;

Su Jin Yoon, Daejeon, KR;

Assignee:

LG ENERGY SOLUTION, LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Christopher P Domone

Assistant Examiner:

Jonathan William Estes

Int. Cl.
CPC ...
H01M 50/451 (2021.01); C08J 9/36 (2006.01); C09D 7/20 (2018.01); C09D 7/45 (2018.01); C09D 7/61 (2018.01); C09D 127/16 (2006.01); H01M 10/052 (2010.01); H01M 50/403 (2021.01); H01M 50/417 (2021.01); H01M 50/434 (2021.01); H01M 50/443 (2021.01); H01M 50/489 (2021.01);
U.S. Cl.
CPC ...
H01M 50/451 (2021.01); C08J 9/365 (2013.01); C09D 7/20 (2018.01); C09D 7/45 (2018.01); C09D 7/61 (2018.01); C09D 127/16 (2013.01); H01M 10/052 (2013.01); H01M 50/403 (2021.01); H01M 50/417 (2021.01); H01M 50/434 (2021.01); H01M 50/443 (2021.01); H01M 50/489 (2021.01); C08J 2323/02 (2013.01);
Abstract

A separator for a secondary battery including a porous separator substrate including a polyolefin-based material and a coating layer on at least one surface of the porous separator substrate. The separator for a secondary battery has a uniform coating layer and improved adhesion force. The coating layer is a dry form of a slurry comprising a binder, an inorganic material, a mixed solvent including at least two solvents, and a dispersant, the inorganic material being a metal hydroxide and the dispersant being a compound including 10 to 30 hydroxy groups in one molecule.

Find Patent Forward Citations

Quick Actions:

Kim, Myeong. (2024). Separator for secondary battery comprising dispersant and method of manufacturing the same (U.S. Patent No. 12126047). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12126047

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

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