Invention Grant
- Patent Title: Positive electrode active material and lithium secondary battery including the same
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Application No.: US16905866Application Date: 2020-06-18
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Publication No.: US11978891B2Publication Date: 2024-05-07
- Inventor: Moon Ho Choi , Gyeong Jae Heo , Hyun Jong Yu , Seung Hyun Choi , Yu Gyeong Chun
- Applicant: ECOPRO BM CO., LTD.
- Applicant Address: KR Cheongju-si
- Assignee: ECOPRO BM CO., LTD.
- Current Assignee: ECOPRO BM CO., LTD.
- Current Assignee Address: KR Cheongju-si
- Agency: Studebaker & Brackett PC
- Priority: KR 20190100998 2019.08.19
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M4/131 ; H01M4/36 ; H01M4/485 ; H01M4/505 ; H01M10/0525 ; H01M4/02
Abstract:
The present invention relates to a positive electrode active material, in which primary particles included in a secondary particle exhibit an aspect ratio gradient which gradually increases from the center of the secondary particle to the surface thereof, and a lithium secondary battery which uses a positive electrode containing the positive electrode active material.
Public/Granted literature
- US20210057731A1 POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Public/Granted day:2021-02-25
Information query
