- Patent Title: Nickel-based active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive electrode including the nickel-based active material
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Application No.: US15654648Application Date: 2017-07-19
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Publication No.: US11302919B2Publication Date: 2022-04-12
- Inventor: Jongmin Kim , Jiyoon Kim , Pilsang Yun , Donggyu Chang , Kwanghwan Cho , Jangsuk Hyun , Jinhwa Kim
- Applicant: Samsung SDI Co., Ltd.
- Applicant Address: KR Yongin-si
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: KR10-2016-0092243 20160720,KR10-2016-0162291 20161130
- Main IPC: H01M4/525
- IPC: H01M4/525 ; C01G53/00 ; H01M4/485 ; H01M4/505 ; H01M4/02 ; H01M10/052

Abstract:
Provided are a nickel-based active material, a method of preparing the same, and a lithium secondary battery including a positive electrode including the nickel-based active material. The nickel-based active material includes at least one secondary particle including an aggregate of two or more primary particles, wherein at least a portion of the secondary particle has a radial array structure, and a hetero-element compound is positioned between the primary particles.
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