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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 9799878 B1

PDFFull Text
Date of Patent:
Oct. 24, 2017

Filed:

Nov. 20, 2014

High voltage positive active material and lithium secondary battery comprising the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Minsuk Kang, Daejeon, KR;

Seong Hoon Kang, Daejeon, KR;

Ho Suk Shin, Daejeon, KR;

Byung Chun Park, Daejeon, KR;

Sang Min Park, Daejeon, KR;

Geungi Min, Daejeon, KR;

Assignee:

LG Chem, Ltd., , KR;

Attorney:

Lerner, David, Littenberg, Krumholz & Mentlik, LLP

Primary Examiner:

Patrick Ryan

Assistant Examiner:

Aaron Greso

Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); B60L 11/18 (2006.01); B60L 3/00 (2006.01); H01M 4/1315 (2010.01); H01M 4/485 (2010.01); H01M 4/1391 (2010.01); H01M 4/36 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01); H01M 10/0567 (2010.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H01M 4/131 (2013.01); B60L 3/0046 (2013.01); B60L 11/185 (2013.01); B60L 11/1861 (2013.01); B60L 11/1879 (2013.01); H01M 4/1315 (2013.01); H01M 4/1391 (2013.01); H01M 4/366 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); B60L 2240/545 (2013.01); B60L 2240/547 (2013.01); B60L 2240/549 (2013.01); H01M 10/052 (2013.01); H01M 10/0567 (2013.01); H01M 10/4235 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01); Y02T 10/705 (2013.01); Y02T 10/7011 (2013.01); Y02T 10/7044 (2013.01); Y02T 10/7072 (2013.01); Y02T 90/121 (2013.01); Y02T 90/128 (2013.01); Y02T 90/14 (2013.01);
Abstract

Disclosed are a cathode active material for high voltage and a lithium secondary battery including the same. More particularly, a cathode active material including spinel-type compound particles having a composition represented by Formula 1 below;LiMMnOA  (1) where a, x and z are defined in a specification of the present invention, and metal oxides or metal hydroxides present on surfaces of the spinel-type compound particles, and a lithium secondary battery including the same.

Find Patent Forward Citations

Kang, Minsuk. (2017). High voltage positive active material and lithium secondary battery comprising the same (U.S. Patent No. 9799878). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9799878

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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