- 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.: US10707485B2Publication Date: 2020-07-07
- 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@6a850598 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@684e9fa2
- Main IPC: H01M4/525
- IPC: H01M4/525 ; C01G53/00 ; H01M4/505 ; H01M4/485 ; H01M10/052 ; H01M4/02
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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