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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 10903486 B1

PDFFull Text
Date of Patent:
Jan. 26, 2021

Filed:

Jul. 27, 2016

Positive active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same

Applicant:

L&f Co., Ltd., Daegu, KR;

Inventors:

Su An Choi, Seongnam-si, KR;

Sang Hoon Jeon, Daegu, KR;

Chang Min Choi, Miryang-si, KR;

Su Youn Kwon, Gyeongsangbuk-do, KR;

Jeong A Gu, Daegu, KR;

Bong Jun Jeong, Daegu, KR;

Assignee:

L&F CO., LTD., Daegu, KR;

Attorney:

Alston & Bird LLP

Primary Examiner:

Cynthia H Kelly

Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/58 (2010.01); H01M 6/00 (2006.01); H01M 4/36 (2006.01); H01M 10/052 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/62 (2006.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/1391 (2010.01); H01M 4/48 (2010.01); H01M 4/485 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/0471 (2013.01); H01M 4/131 (2013.01); H01M 4/1391 (2013.01); H01M 4/483 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/62 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01);
Abstract

A positive active material for a rechargeable lithium battery, a method for manufacturing the same, and a rechargeable lithium battery including the same are provided. A positive active material for a rechargeable lithium battery includes a compound that is capable of reversibly intercalating or deintercalating lithium, wherein the compound is formed of a core portion and a coating layer, the core portion is doped with M, and the coating layer includes Al and B, wherein M is Zr, Ti, Mg, Ca, Al, B, V, Zn, Mo, Ni, Co, Mn, or a combination thereof.

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