Invention Grant
- Patent Title: Cathode active material, cathode and nonaqueous secondary battery
- Patent Title (中): 阴极活性物质，阴极和非水二次电池
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Application No.: US13321717Application Date: 2010-05-20
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Publication No.: US08999576B2Publication Date: 2015-04-07
- Inventor: Koji Ohira , Motoaki Nishijima , Toshitsugu Sueki , Shogo Esaki , Isao Tanaka , Yukinori Koyama , Katsuhisa Tanaka , Koji Fujita , Shunsuke Murai
- Applicant: Koji Ohira , Motoaki Nishijima , Toshitsugu Sueki , Shogo Esaki , Isao Tanaka , Yukinori Koyama , Katsuhisa Tanaka , Koji Fujita , Shunsuke Murai
- Applicant Address: JP Osaka
- Assignee: Sharp Kabushiki kaisha
- Current Assignee: Sharp Kabushiki kaisha
- Current Assignee Address: JP Osaka
- Agency: Nixon & Vanderhye P.C.
- Priority: JP2009-124647 20090522
- International Application: PCT/JP2010/058559 WO 20100520
- International Announcement: WO2010/134579 WO 20101125
- Main IPC: H01M4/134
- IPC: H01M4/134 ; H01M4/58 ; H01M4/136 ; H01M10/052
Abstract:
A cathode active material of the present invention is a cathode active material having a composition represented by General Formula (1) below, LiFe1-xMxP1-ySiyO4 (1), where: an average valence of Fe is +2 or more; M is an element having a valence of +2 or more and is at least one type of element selected from the group consisting of Zr, Sn, Y, and Al; the valence of M is different from the average valence of Fe; 0
Public/Granted literature
- US20120070708A1 CATHODE ACTIVE MATERIAL, CATHODE AND NONAQUEOUS SECONDARY BATTERY Public/Granted day:2012-03-22
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