Invention Grant
- Patent Title: Lithium silicate-based compound and production process for the same, positive-electrode active material and positive electrode for use in lithium-ion secondary battery as well as secondary battery
- Patent Title (中): 基于硅酸锂的化合物和生产工艺相同的正极活性物质和正极用于锂离子二次电池以及二次电池
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Application No.: US14362800Application Date: 2012-10-12
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Publication No.: US09082525B2Publication Date: 2015-07-14
- Inventor: Akira Kojima , Toshikatsu Kojima , Mitsuharu Tabuchi , Tetsuo Sakai , Takuhiro Miyuki , Junichi Niwa , Kazuhito Kawasumi , Masakazu Murase
- Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI , NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Applicant Address: JP Aichi JP Tokyo
- Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI,NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Current Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI,NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Current Assignee Address: JP Aichi JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2011-267575 20111207
- International Application: PCT/JP2012/006559 WO 20121012
- International Announcement: WO2013/084396 WO 20130613
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/525 ; H01M4/1315 ; H01M4/13915 ; H01M4/505 ; H01M4/58 ; H01M10/052 ; H01B1/08 ; C01B33/32
Abstract:
A lithium silicate-based compound according to the present invention is expressed by a general formula, Li(2−a+b)AaMn(1−x−y)CoxMySiO(4+α)Clβ (In the formula: “A” is at least one element selected from the group consisting of Na, K, Rb and Cs; “M” is at least one member selected from the group consisting of Mg, Ca, Al, Ni, Fe, Nb, Ti, Cr, Cu, Zn, Zr, V, Mo and W; and the respective subscripts appear to be as follows: 0≦“a”
Public/Granted literature
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