Invention Grant
US08741483B2 Positive electrode active material for non-aqueous electrolyte secondary battery having rare earth hydroxide and/or oxyhydroxide
有权
具有稀土氢氧化物和/或羟基氧化物的非水电解质二次电池用正极活性物质
- Patent Title: Positive electrode active material for non-aqueous electrolyte secondary battery having rare earth hydroxide and/or oxyhydroxide
- Patent Title (中): 具有稀土氢氧化物和/或羟基氧化物的非水电解质二次电池用正极活性物质
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Application No.: US13002254Application Date: 2009-07-07
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Publication No.: US08741483B2Publication Date: 2014-06-03
- Inventor: Takeshi Ogasawara , Naoki Imachi
- Applicant: Takeshi Ogasawara , Naoki Imachi
- Applicant Address: JP Moriguchi-shi
- Assignee: SANYO Electric Co., Ltd.
- Current Assignee: SANYO Electric Co., Ltd.
- Current Assignee Address: JP Moriguchi-shi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2008-178527 20080709; JP2008-227700 20080905; JP2008-253756 20080930; JP2008-308435 20081203; JP2008-320790 20081217; JP2009-062244 20090316; JP2009-065505 20090318; JP2009-133365 20090602; JP2009-137785 20090609
- International Application: PCT/JP2009/062332 WO 20090707
- International Announcement: WO2010/004973 WO 20100114
- Main IPC: H01M10/0525
- IPC: H01M10/0525 ; H01M4/13
Abstract:
In a non-aqueous electrolyte secondary battery including a positive electrode 1, a negative electrode 2 and a non-aqueous electrolyte, a positive electrode active material wherein a particle of at least one compound selected from Er hydroxide, Er oxyhydroxide, Yb hydroxide, Yb oxyhydroxide, Tb hydroxide, Tb oxyhydroxide, Dy hydroxide, Dy oxyhydroxide, Ho hydroxide, Ho oxyhydroxide, Tm hydroxide, Tm oxyhydroxide, Lu hydroxide, and Lu oxyhydroxide is dispersed and adhered on a surface of a positive electrode active material particle containing Li is used.
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