Invention Grant
- Patent Title: Lithium nickel cobalt composite oxide positive active material, positive electrode, and lithium secondary battery using the same
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Application No.: US16472161Application Date: 2017-12-21
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Publication No.: US11532814B2Publication Date: 2022-12-20
- Inventor: Kenji Takamori , Yuichiro Imanari , Yusuke Maeda
- Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED , TANAKA CHEMICAL CORPORATION
- Applicant Address: JP Tokyo; JP Fukui
- Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED,TANAKA CHEMICAL CORPORATION
- Current Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED,TANAKA CHEMICAL CORPORATION
- Current Assignee Address: JP Tokyo; JP Fukui
- Agency: McDermott Will & Emery LLP
- Priority: JPJP2016-251397 20161226
- International Application: PCT/JP2017/045980 WO 20171221
- International Announcement: WO2018/123817 WO 20180705
- Main IPC: H01M4/525
- IPC: H01M4/525 ; C01G53/00 ; H01M4/36 ; H01M4/46 ; H01M4/505 ; H01M10/052
Abstract:
A positive electrode active material for lithium secondary batteries includes a lithium composite metal compound containing secondary particles that are aggregates of primary particles which are capable of being doped or dedoped with lithium ions and satisfies all of specific requirements (1) to (4).
Public/Granted literature
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