Invention Grant
- Patent Title: Positive electrode active material for lithium secondary battery, positive electrode for lithium secondary battery, and lithium secondary battery
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Application No.: US15327432Application Date: 2015-07-22
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Publication No.: US10312514B2Publication Date: 2019-06-04
- Inventor: Ryuta Sugiura
- Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Applicant Address: JP Toyota-shi, Aichi-ken
- Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee Address: JP Toyota-shi, Aichi-ken
- Agency: Sughrue Mion, PLLC
- Priority: JP2014-149289 20140722; JP2015-143788 20150721
- International Application: PCT/IB2015/001221 WO 20150722
- International Announcement: WO2016/012851 WO 20160128
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M4/1315 ; H01M4/505 ; H01M10/052 ; C01G53/00 ; H01M10/0525 ; H01M4/13915 ; H01M4/02
Abstract:
A positive electrode active material for a lithium secondary battery includes a lithium transition metal complex oxide that has a spinel crystalline structure. This lithium transition metal complex oxide includes: manganese and nickel as main transition metal elements; titanium and iron as additive transition metal elements; and oxygen and fluorine.
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