Invention Grant
- Patent Title: Additive for cathode, method for preparing the same, cathode including the same, and lithium secondary battery including the same
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Application No.: US16638188Application Date: 2018-11-22
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Publication No.: US11621423B2Publication Date: 2023-04-04
- Inventor: Hyelim Jeon , Donghun Lee , Sang Wook Lee , Eunsol Lho , Wang Mo Jung , Minsuk Kang , Sora Baek
- Applicant: LG Chem, Ltd.
- Applicant Address: KR Seoul
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR Seoul
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Priority: KR10-2017-0161943 20171129,KR10-2018-0144887 20181121
- International Application: PCT/KR2018/014456 WO 20181122
- International Announcement: WO2019/107835 WO 20190606
- Main IPC: H01M4/62
- IPC: H01M4/62 ; H01M4/525 ; H01M10/0525 ; H01M4/02 ; H01M4/505
Abstract:
The present disclosure relates to a cathode additive of a lithium secondary battery, and a method for preparing the same. The cathode additive exhibits high irreversible capacity, and may be effectively applied to a battery using an anode material having high energy density. In one embodiment, the cathode additive includes a compound represented by the following Chemical Formula 1: y(Li2Ni1-xMxO2)-z(Li6Co1-xMxO4) [Chemical Formula 1]
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