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 8841026 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 23, 2014

Filed:

Mar. 17, 2011
Applicants:

Kyu-sung Park, Suwon-si, KR;

Seung-sik Hwang, Seongnam-si, KR;

Inventors:

Kyu-sung Park, Suwon-si, KR;

Seung-sik Hwang, Seongnam-si, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/50 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/131 (2010.01); C01G 45/12 (2006.01); C01G 51/00 (2006.01); H01M 4/36 (2006.01); C01G 53/00 (2006.01);
U.S. Cl.
CPC ...
H01M 4/131 (2013.01); C01G 45/1228 (2013.01); C01G 51/42 (2013.01); C01P 2006/40 (2013.01); H01M 4/505 (2013.01); H01M 4/366 (2013.01); H01M 4/525 (2013.01); C01P 2002/52 (2013.01); Y02E 60/122 (2013.01); C01P 2002/85 (2013.01); C01G 53/42 (2013.01); C01G 53/50 (2013.01); C01P 2002/54 (2013.01); C01G 51/50 (2013.01); C01G 53/54 (2013.01);
Abstract

A cathode, a method of preparing the same, and a lithium battery including the cathode. The cathode includes: a current collector; a first cathode active material layer disposed on the current collector; and a second cathode active material layer disposed on the first cathode active material layer, wherein the first cathode active material layer comprises a lithium transition metal oxide having a layered structure, and the second cathode active material layer comprises a lithium transition metal oxide having a spinel structure and an average working potential of 4.5 V or more.


Find Patent Forward Citations

Park, Kyu-sung. (2014). Cathode, method of preparing the same, and lithium battery including the cathode (U.S. Patent No. 8841026). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8841026

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

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