Invention Grant
- Patent Title: Cathode active material with zirconium in crystal grain boundary of lithium cobalt complex oxide
- Patent Title (中): 在钴酸锂复合氧化物的晶界中具有锆的阴极活性材料
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Application No.: US11908079Application Date: 2006-03-28
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Publication No.: US09450244B2Publication Date: 2016-09-20
- Inventor: Kei Yonezawa , Takashi Sato , Tsuyoshi Okawa , Yoshikatsu Yamamoto
- Applicant: Kei Yonezawa , Takashi Sato , Tsuyoshi Okawa , Yoshikatsu Yamamoto
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sheridan Ross P.C.
- Priority: JP2005-066408 20050309; JP2005-353849 20051207
- International Application: PCT/JP2006/304445 WO 20060328
- International Announcement: WO2006/095760 WO 20060914
- Main IPC: H01M4/13
- IPC: H01M4/13 ; H01M4/525 ; H01M4/38 ; H01M10/04 ; H01M10/0525 ; H01M10/0569 ; H01M10/0587 ; H01M10/42 ; H01M4/131 ; H01M4/133 ; H01M4/485 ; H01M4/505 ; H01M4/02
Abstract:
A battery capable of improving load characteristics, low-temperature characteristics and high-temperature cycle characteristics is provided. A cathode (13) includes a lithium cobalt complex oxide represented by LiaCoxMIyMIIzO2 (MI includes at least one kind selected from the group consisting of Al, Cr, V, Mn and Fe, MII includes at least one kind selected from the group consisting of Mg and Ca, 0.9≦a≦1.1, 0.9≦x
Public/Granted literature
- US20090004567A1 Cathode Active Material and Battery Public/Granted day:2009-01-01
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