Invention Publication
- Patent Title: POSITIVE ELECTRODE ACTIVE MATERIAL PRECURSOR FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME
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Application No.: US18003886Application Date: 2021-07-12
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Publication No.: US20240101443A1Publication Date: 2024-03-28
- Inventor: Kiyong AHN , Do-Wook JUN , Youngsun KONG , Seonyoung KWON , Min Ju KIM , Dookyun LEE , Kijoo HONG
- Applicant: SAMSUNG SDI CO., LTD.
- Applicant Address: KR Yongin-si, Gyeonggi-do
- Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee Address: KR Yongin-si, Gyeonggi-do
- Priority: KR 20210000958 2021.01.05
- International Application: PCT/KR2021/008865 2021.07.12
- Date entered country: 2023-05-12
- Main IPC: C01G53/00
- IPC: C01G53/00

Abstract:
Provided is a positive electrode active material precursor for a rechargeable lithium battery including a nickel-based composite metal hydroxide including a secondary particle in which a plurality of primary particles are agglomerated, wherein the secondary particle includes a central portion and a surface portion, and the surface portion includes a primary particle coated with manganese oxide, manganese hydroxide, or a mixture thereof.
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