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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 11196043 B1

PDFFull Text
Date of Patent:
Dec. 07, 2021

Filed:

Nov. 22, 2018

Silicon-based particle-polymer composite and negative electrode active material comprising the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Se Mi Park, Daejeon, KR;

Je Young Kim, Daejeon, KR;

Yong Ju Lee, Daejeon, KR;

Rae Hwan Jo, Daejeon, KR;

Su Min Lee, Daejeon, KR;

Jung Hyun Choi, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Mark Kopec

Assistant Examiner:

Jaison P Thomas

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 4/628 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01);
Abstract

The present invention relates to a silicon-based particle-polymer composite, which includes silicon-based particles; and a polymer coating layer formed on the silicon-based particles, in which the polymer coating layer includes metal-substituted poly(acrylic acid) in which hydrogen atoms in carboxyl groups of the poly(acrylic acid) chain are substituted with one or more selected from the group consisting of K, Na and Li.

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Park, Se. (2021). Silicon-based particle-polymer composite and negative electrode active material comprising the same (U.S. Patent No. 11196043). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11196043

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