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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 11165061 B1

PDFFull Text
Date of Patent:
Nov. 02, 2021

Filed:

Mar. 27, 2017

Method of preparing positive electrode active material for lithium secondary battery and positive electrode active material for lithium secondary battery prepared thereby

Applicant:

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

Inventors:

Moon Ho Choi, Cheongju-si, KR;

Jong Seung Shin, Cheongju-si, KR;

Suk Yong Jeon, Cheongju-si, KR;

Hyun Jong Yu, Cheongju-si, KR;

Young Nam Park, Cheongju-si, KR;

Assignee:

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

Attorney:

Saliwanchik, Lloyd & Eisenschenk

Primary Examiner:

Matthew R Diaz

Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/02 (2006.01); H01M 10/0525 (2010.01); C01G 53/00 (2006.01); C01G 53/04 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 53/006 (2013.01); C01G 53/04 (2013.01); C01G 53/42 (2013.01); C01G 53/44 (2013.01); C01G 53/50 (2013.01); C01G 53/70 (2013.01); H01M 4/366 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); C01P 2002/52 (2013.01); C01P 2002/72 (2013.01); H01M 2004/028 (2013.01);
Abstract

The present invention relates to a method of preparing a positive electrode active material for a lithium secondary battery and the positive electrode active material for the lithium secondary battery prepared thereby, and more specifically, to a method of preparing a positive electrode active material for a lithium secondary battery, the method comprising doping or coating the positive electrode active material for the lithium secondary battery with a predetermined metal oxide, and the positive electrode active material for the lithium secondary battery which is prepared thereby and has a reduced amount of residual lithium.

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