Invention Grant
- Patent Title: Cathode active material comprising lithium manganese oxide capable of providing excellent charge-discharge characteristics at 3V region as well as 4V region
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Application No.: US13397714Application Date: 2012-02-16
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Publication No.: US09911977B2Publication Date: 2018-03-06
- Inventor: Hyun Kuk Noh , Sin Kyu Kim , Geun-Chang Chung , Song-Taek Oh , Sanguck Lee , Jong Chan Kim
- Applicant: Hyun Kuk Noh , Sin Kyu Kim , Geun-Chang Chung , Song-Taek Oh , Sanguck Lee , Jong Chan Kim
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2010-0001373 20100107
- Main IPC: H01M4/00
- IPC: H01M4/00 ; H01M4/505 ; H01M4/36 ; H01M4/62 ; H01M10/052
Abstract:
Disclosed herein is a cathode active material including a lithium manganese oxide, in which the lithium manganese oxide has a spinel structure with a predetermined constitutional composition represented by Formula 1 described in the detailed description, wherein a conductive material is applied to the surface of lithium manganese oxide particles, so as to exhibit charge-discharge properties in the range of 2.5 to 3.5V as well as in the 4V region.
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