发明申请
US20140147740A1 POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE
审中-公开
用于非电解电解质二次电池的正极电极活性材料及其制造方法，使用正极电极活性材料的非水电解质二次电池的正极和使用正极的非电解电解质二次电池
- 专利标题： POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE
- 专利标题（中）： 用于非电解电解质二次电池的正极电极活性材料及其制造方法，使用正极电极活性材料的非水电解质二次电池的正极和使用正极的非电解电解质二次电池
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申请号： US14233339申请日： 2012-07-27
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公开(公告)号： US20140147740A1公开(公告)日： 2014-05-29
- 发明人: Takao Kokubu , Hiroyuki Matsumoto , Takeshi Ogasawara
- 申请人： Takao Kokubu , Hiroyuki Matsumoto , Takeshi Ogasawara
- 申请人地址： JP Moriguchi-shi, Osaka
- 专利权人： SANYO ELECTRIC CO., LTD.
- 当前专利权人： SANYO ELECTRIC CO., LTD.
- 当前专利权人地址： JP Moriguchi-shi, Osaka
- 优先权： JP2011-166909 20110729
- 国际申请： PCT/JP2012/069134 WO 20120727
- 主分类号： H01M4/36
- IPC分类号： H01M4/36 ; B05D1/02
摘要：
Provided is a positive electrode active material for a nonaqueous electrolyte secondary battery in which generation of gas resulting from a reaction between a lithium transition metal complex oxide and an electrolyte is suppressed even when the battery is stored at high temperature, thereby improving the reliability of the battery, suppressing deterioration of the lithium transition metal complex oxide, and suppressing the decrease in battery capacity. In the positive electrode active material, a compound containing zirconium and fluorine is attached to a surface of lithium cobaltate. This positive electrode active material can be produced by spraying a solution containing zirconium and fluorine onto lithium cobaltate while stirring lithium cobaltate.