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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 12689023 B1

PDFFull Text
Date of Patent:
Jul. 21, 2026

Filed:

Feb. 02, 2023

Anode active material for lithium secondary battery and lithium secondary battery including the same

Applicant:

SK on Co., Ltd., Seoul, KR;

Inventors:

Yong Seok Lee, Daejeon, KR;

Jae Ram Kim, Daejeon, KR;

Sang Won Bae, Daejeon, KR;

Yeon Hwa Song, Daejeon, KR;

Ki Joo Eom, Daejeon, KR;

Myung Ro Lee, Daejeon, KR;

Jae Yeong Lee, Daejeon, KR;

Hyun Joong Jang, Daejeon, KR;

Assignee:

SK On Co., Ltd., Seoul, KR;

Attorney:

IP & T GROUP LLP

Primary Examiner:

Nicholas A Smith

Assistant Examiner:

Seamus Patrick Mcnulty

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/02 (2006.01); H01M 4/38 (2006.01); H01M 4/485 (2010.01); H01M 4/583 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/485 (2013.01); H01M 4/583 (2013.01); H01M 10/052 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

An anode active material for a lithium secondary battery according to embodiments of the present invention includes a carbon-based active material and a silicon-based active material including silicon-based active material particles having a particle size distribution in a range from 1 μm to 19 μm. A lithium secondary battery having improved life-span and rapid charge/discharge properties at room temperature is provided.

Find Patent Forward Citations

Lee, Yong. (2026). Anode active material for lithium secondary battery and lithium secondary battery including the same (U.S. Patent No. 12689023). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12689023

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

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