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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 12780683 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

Nov. 30, 2021

Positive electrode active material for lithium secondary battery, method for preparing the same and lithium secondary battery comprising the same

Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Gi-Beom Han, Daejeon, KR;

Eun-Sol Lho, Daejeon, KR;

Joong-Yeop Do, Daejeon, KR;

Kang-Joon Park, Daejeon, KR;

Min Kwak, Daejeon, KR;

Sang-Min Park, Daejeon, KR;

Dae-Jin Lee, Daejeon, KR;

Sang-Wook Lee, Daejeon, KR;

Wang-Mo Jung, Daejeon, KR;

Assignee:

LG Energy Solution, Ltd., Seoul, KR;

Attorney:

Lerner David LLP

Primary Examiner:

James M Erwin

Int. Cl.
CPC ...
C01G 53/50 (2025.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
C01G 53/50 (2013.01); H01M 10/0525 (2013.01); C01P 2004/61 (2013.01); C01P 2006/12 (2013.01); C01P 2006/40 (2013.01);
Abstract

A positive electrode active material having at least one secondary particle comprising an agglomerate of primary macro particles, a method for preparing the same and a lithium secondary battery comprising the same are provided. A positive electrode active material has improved capacity retention by controlling a BET change in an electrode rolling process.

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Han, Gi-Beom. (2026). Positive electrode active material for lithium secondary battery, method for preparing the same and lithium secondary battery comprising the same (U.S. Patent No. 12780683). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12780683

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