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:
Sep. 17, 2019
Filed:
Nov. 07, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Byung Chun Park, Daejeon, KR;
Wang Mo Jung, Daejeon, KR;
Sang Seung Oh, Daejeon, KR;
Sungbin Park, Daejeon, KR;
Ji Hye Kim, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/1315 (2010.01); H01M 4/36 (2006.01); H01M 4/485 (2010.01); H01M 2/16 (2006.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/1391 (2010.01); H01M 4/38 (2006.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 10/0585 (2010.01); H01M 4/58 (2010.01); H01M 4/60 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/628 (2013.01); H01M 2/1653 (2013.01); H01M 4/0404 (2013.01); H01M 4/131 (2013.01); H01M 4/1315 (2013.01); H01M 4/1391 (2013.01); H01M 4/366 (2013.01); H01M 4/382 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/661 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 10/0585 (2013.01); C01P 2006/40 (2013.01); H01M 4/582 (2013.01); H01M 4/602 (2013.01); H01M 4/62 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01); H01M 2300/004 (2013.01);
Abstract
Disclosed are a cathode active material for lithium secondary batteries including lithium-containing metal oxide particles; a first surface treatment layer formed on the surfaces of the lithium-containing metal oxide particles and including at least one compound selected from the group consisting of fluorine-doped metal oxides and fluorine-doped metal hydroxides; and a second surface treatment layer formed on a surface of the first surface treatment layer and including a fluorine copolymer, and a method of manufacturing the same.