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.

Date of Patent:
Sep. 10, 2024

Filed:

Jul. 22, 2021
Applicant:

Ecopro Bm Co., Ltd., Cheongju-si, KR;

Inventors:

Gwang Seok Choi, Cheongju-si, KR;

Moon Ho Choi, Cheongju-si, KR;

Jun Won Suh, Cheongju-si, KR;

Jin Kyeong Yun, Cheongju-si, KR;

Jung Han Lee, Cheongju-si, KR;

Seung Woo Choi, Cheongju-si, KR;

Joong Ho Bae, Cheongju-si, KR;

Du Yeol Kim, Cheongju-si, KR;

Assignee:

ECOPRO BM CO., LTD., Cheongju-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract

The present invention relates to a positive electrode active material which makes it possible to improve the electrochemical properties and stability of a positive electrode active material including a lithium composite oxide by adjusting the direction of a concentration gradient of a metal element of the lithium composite oxide, and a lithium secondary battery using a positive electrode including the positive electrode active material.


Find Patent Forward Citations

Loading…