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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 11031595 B1

PDFFull Text
Date of Patent:
Jun. 08, 2021

Filed:

Sep. 05, 2018

Positive electrode active material for lithium secondary battery, method of preparing the same, and positive electrode for lithium secondary battery and lithium secondary battery which include the positive electrode active material

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Hyuck Hur, Daejeon, KR;

Min Kyu You, Daejeon, KR;

Chi Ho Jo, Daejeon, KR;

Sung Bin Park, Daejeon, KR;

Jin Tae Hwang, Daejeon, KR;

Wang Mo Jung, Daejeon, KR;

Assignee:

LG Chem, Ltd.;

Attorney:

Lerner, David, Littenberg, Krumholz & Mentlik, LLP

Primary Examiner:

Ladan Mohaddes

Int. Cl.
CPC ...
H01M 4/525 (2010.01); C01G 51/00 (2006.01); H01M 4/131 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01); H01M 4/1393 (2010.01); H01M 4/13915 (2010.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 51/66 (2013.01); H01M 4/131 (2013.01); H01M 10/0525 (2013.01); C01P 2002/52 (2013.01); C01P 2004/03 (2013.01); C01P 2004/61 (2013.01); C01P 2006/40 (2013.01); H01M 4/1393 (2013.01); H01M 4/13915 (2013.01); H01M 2004/028 (2013.01);
Abstract

In one embodiment, the present disclosure relates to a positive electrode active material in which a lithium cobalt oxide is doped with a doping element including a metallic element and a halide element, wherein the positive electrode active material is represented by Formula 1 and satisfies Equation 1, and a positive electrode for a lithium secondary battery and a lithium secondary battery, either of which include the positive electrode active material:Li(CoMMM)OH  [Formula 1](234)/()<2.5.  [Equation 1]

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Hur, Hyuck. (2021). Positive electrode active material for lithium secondary battery, method of preparing the same, and positive electrode for lithium secondary battery and lithium secondary battery which include the positive electrode active material (U.S. Patent No. 11031595). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11031595

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