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.:
Date of Patent:
Feb. 21, 2023
Filed:
Nov. 11, 2020
Applicant:
Ecopro Bm Co., Ltd., Cheongju-si, KR;
Inventors:
Moon Ho Choi, Cheongju-si, KR;
Seung Woo Choi, Cheongju-si, KR;
Jun Won Suh, Cheongju-si, KR;
Jin Kyeong Yun, Cheongju-si, KR;
Jung Han Lee, Cheongju-si, KR;
Gwang Seok Choe, 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 ...
H01B 1/08 (2006.01); H01M 4/525 (2010.01); C01G 53/00 (2006.01); H01M 4/36 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 53/50 (2013.01); H01B 1/08 (2013.01); H01M 4/366 (2013.01); H01M 10/0525 (2013.01); C01P 2002/54 (2013.01); C01P 2004/04 (2013.01); C01P 2004/54 (2013.01); C01P 2004/84 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01);
Abstract
The present invention relates to a positive electrode active material having improved electrical characteristics by adjusting an aspect ratio gradient of primary particles included in a secondary particle, a positive electrode including the positive electrode active material, and a lithium secondary battery using the positive electrode.