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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 9997780 B1

PDFFull Text
Date of Patent:
Jun. 12, 2018

Filed:

Oct. 31, 2014

Positive electrode for lithium secondary battery and lithium secondary battery comprising the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Ji-Hye Park, Daejeon, KR;

Jae-Hyun Lee, Daejeon, KR;

Su-Rim Lee, Daejeon, KR;

Song-Taek Oh, Daejeon, KR;

Jung-Seok Choi, Daejeon, KR;

Hyeok-Moo Lee, Daejeon, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Jeremiah R Smith

Int. Cl.
CPC ...
H01M 4/505 (2010.01); H01M 10/052 (2010.01); H01M 4/131 (2010.01); H01M 4/50 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/505 (2013.01); H01M 4/131 (2013.01); H01M 10/052 (2013.01); H01M 4/50 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract

The present disclosure relates to a positive electrode for a lithium secondary battery including an electrode current collector, and a positive electrode active material layer coated on at least a part of the electrode current collector, wherein the positive electrode active material layer includes a manganese-based positive electrode active material, and a porosity is from 30% to 35%, to improve high-temperature storage characteristics and high-temperature cycle characteristics.

Find Patent Forward Citations

Park, Ji-Hye. (2018). Positive electrode for lithium secondary battery and lithium secondary battery comprising the same (U.S. Patent No. 9997780). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9997780

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

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