Invention Publication
- Patent Title: POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
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Application No.: US18268764Application Date: 2021-12-13
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Publication No.: US20240063385A1Publication Date: 2024-02-22
- Inventor: Sang Cheol NAM , Kwon Young CHOI , Jung Hoon SONG , Sang Hyuk LEE
- Applicant: POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
- Applicant Address: KR Seoul
- Assignee: POSCO Holdings Inc.,RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
- Current Assignee: POSCO Holdings Inc.,RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
- Current Assignee Address: KR Seoul; KR Pohang-si, Gyeongsangbuk-do
- Priority: KR 20200179584 2020.12.21
- International Application: PCT/KR2021/018831 2021.12.13
- Date entered country: 2023-08-17
- Main IPC: H01M4/525
- IPC: H01M4/525 ; C01G53/04 ; C01G53/00
Abstract:
The present exemplary embodiments provide a positive electrode active material, a manufacturing method thereof, and a lithium secondary battery including the same. The positive electrode active material according to an exemplary embodiment is a metal oxide particle including a center and a surface portion positioned on the surface of the center, but the metal oxide particle is composed of a single particle, and the surface portion includes a film in which no peak is observed during XRD measurement.
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