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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 12695084 B1

PDFFull Text
Date of Patent:
Jul. 28, 2026

Filed:

Oct. 18, 2021

Negative electrode for lithium-ion secondary battery

Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Su-Min Lee, Daejeon, KR;

Se-Mi Park, Daejeon, KR;

Sun-Young Shin, Daejeon, KR;

Yong-Ju Lee, Daejeon, KR;

Jung-Hyun Choi, Daejeon, KR;

Assignee:

LG ENERGY SOLUTION, LTD., Seoul, KR;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Zhongqing Wei

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/131 (2010.01); H01M 4/133 (2010.01); H01M 4/38 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01); H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/131 (2013.01); H01M 4/133 (2013.01); H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); H01M 4/623 (2013.01);
Abstract

Disclosed is a negative electrode for a lithium-ion secondary battery. The negative electrode includes a negative electrode active material layer, which includes a lower layer portion facing the surface of a current collector and an upper layer portion disposed on the top of the lower layer portion, wherein the upper layer portion includes graphite and silicon oxide as negative electrode active materials, the silicon oxide has a sphericity of 0.4-0.8, and the negative electrode active material layer includes a linear conductive material.

Find Patent Forward Citations

Lee, Su-Min. (2026). Negative electrode for lithium-ion secondary battery (U.S. Patent No. 12695084). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12695084

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

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