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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 12763319 B1

PDFFull Text
Date of Patent:
Oct. 13, 2026

Filed:

Oct. 27, 2021

Negative active material for rechargeable lithium battery, negative electrode for rechargeable lithium battery, and rechargeable lithium battery including same

Applicant:

Samsung Sdi Co., Ltd., Yongin-si, KR;

Inventors:

Changsu Shin, Yongin-si, KR;

Jongmin Kim, Yongin-si, KR;

Jongmin Won, Yongin-si, KR;

Youngugk Kim, Yongin-si, KR;

Jaemyung Kim, Yongin-si, KR;

Jaehou Nah, Yongin-si, KR;

Dae-Hyeok Lee, Yongin-si, KR;

Jungho Lee, Yongin-si, KR;

Assignee:

SAMSUNG SDI CO., LTD., Yongin-si, KR;

Attorney:

Lee IP Law, P.C.

Primary Examiner:

Yoshitoshi Takeuchi

Int. Cl.
CPC ...
H01M 4/133 (2010.01); H01M 4/134 (2010.01); H01M 4/136 (2010.01); H01M 4/1395 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/58 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 4/136 (2013.01); H01M 4/386 (2013.01); H01M 4/5825 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

Provided is that a negative active material for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery including the same, and a rechargeable lithium including the same, and the negative active material for a rechargeable lithium battery includes an agglomerated product of silicon-based materials comprising a silicon particle, a lithium silicate positioned on a surface of the silicon particle, a first amorphous carbon surrounded on the silicon particle and the lithium silicate; and a second amorphous carbon positioned on the agglomerated product.

Find Patent Forward Citations

Shin, Changsu. (2026). Negative active material for rechargeable lithium battery, negative electrode for rechargeable lithium battery, and rechargeable lithium battery including same (U.S. Patent No. 12763319). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12763319

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

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