Invention Grant
- Patent Title: Cathode, method of preparing the same, and lithium battery including the cathode
- Patent Title (中): 阴极,其制备方法和包括阴极的锂电池
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Application No.: US13050040Application Date: 2011-03-17
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Publication No.: US08841026B2Publication Date: 2014-09-23
- Inventor: Kyu-sung Park , Seung-sik Hwang
- Applicant: Kyu-sung Park , Seung-sik Hwang
- Applicant Address: KR
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR
- Agency: Cantor Colburn LLP
- Priority: KR10-2010-0080412 20100819
- Main IPC: H01M4/13
- IPC: H01M4/13 ; H01M4/50 ; H01M4/505 ; H01M4/525 ; H01M4/131 ; C01G45/12 ; C01G51/00 ; H01M4/36 ; C01G53/00

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.
Public/Granted literature
- US20120045694A1 CATHODE, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE CATHODE Public/Granted day:2012-02-23
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