发明申请
- 专利标题： POSITIVE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
- 专利标题（中）： 非电解电解质二次电池和非电解电解质二次电池的正极活性物质
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申请号： US13577659申请日： 2011-02-16
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公开(公告)号： US20120308893A1公开(公告)日： 2012-12-06
- 发明人: Yukiko Fujino , Yoshinobu Yasunaga , Toru Tabuchi , Tokuo Inamasu , Toshiyuki Nukuda
- 申请人： Yukiko Fujino , Yoshinobu Yasunaga , Toru Tabuchi , Tokuo Inamasu , Toshiyuki Nukuda
- 申请人地址： JP KYOTO
- 专利权人： GS YUASA INTERNATIONAL LTD.
- 当前专利权人： GS YUASA INTERNATIONAL LTD.
- 当前专利权人地址： JP KYOTO
- 优先权： JP2010-032238 20100217
- 国际申请： PCT/JP2011/053210 WO 20110216
- 主分类号： H01M4/525
- IPC分类号： H01M4/525 ; H01M4/583
摘要：
An object is to provide a positive active material for nonaqueous electrolyte secondary battery, which is capable of providing a battery with excellent cycle performance. Provided are a positive active material for nonaqueous electrolyte secondary battery, which includes an Fe-containing lithium vanadium phosphate compound having a NASICON-type structure, wherein in the Fe-containing lithium vanadium phosphate compound, the percentage of iron atoms relative to the sum of vanadium and iron atoms is 2% or more and 20% or less; and the like.