Invention Grant
- Patent Title: Positive active material for lithium secondary battery, electrode for lithium secondary battery, and lithium secondary battery
- Patent Title (中): 锂二次电池正极活性物质，锂二次电池用电极和锂二次电池
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Application No.: US13505123Application Date: 2010-10-27
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Publication No.: US08822080B2Publication Date: 2014-09-02
- Inventor: Yukiko Fujino , Yoshinobu Yasunaga , Toru Tabuchi , Tokuo Inamasu , Toshiyuki Nukuda
- Applicant: Yukiko Fujino , Yoshinobu Yasunaga , Toru Tabuchi , Tokuo Inamasu , Toshiyuki Nukuda
- Applicant Address: JP Kyoto-shi, Kyoto
- Assignee: GS Yuasa International Ltd.
- Current Assignee: GS Yuasa International Ltd.
- Current Assignee Address: JP Kyoto-shi, Kyoto
- Agent Manabu Kanesaka
- Priority: JP2009-251953 20091102
- International Application: PCT/JP2010/069055 WO 20101027
- International Announcement: WO2011/052632 WO 20110505
- Main IPC: C01B35/10
- IPC: C01B35/10 ; H01M4/40 ; H01M4/38 ; C01B35/12 ; C01B35/14 ; H01M4/136 ; H01M4/36 ; H01M4/58 ; H01M4/62 ; H01M10/052 ; H01M4/02
Abstract:
The present invention provides a Li3V2(PO4)3-based positive active material for a lithium secondary battery, which has high discharge capacity and excellent storage performance, particularly high-temperature storage performance; and a lithium secondary battery made using the positive active material. The positive active material for a lithium secondary battery has general formula Li3V2(PO4)3−x(BO3)x (0
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