发明申请
- 专利标题: POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE USING THE SAME AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
- 专利标题(中): 正极电极活性材料,使用其的正极和非水电解质二次电池
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申请号: US12551982申请日: 2009-09-01
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公开(公告)号: US20100055567A1公开(公告)日: 2010-03-04
- 发明人: Hideki Nakai , Toru Odani
- 申请人: Hideki Nakai , Toru Odani
- 申请人地址: JP Tokyo
- 专利权人: SONY CORPORATION
- 当前专利权人: SONY CORPORATION
- 当前专利权人地址: JP Tokyo
- 优先权: JP2008-223880 20080901
- 主分类号: H01M4/52
- IPC分类号: H01M4/52 ; H01M4/02
摘要:
A positive electrode active material includes: a particle containing a positive electrode material capable of intercalating and deintercalating an electrode reactant; and a film provided in at least a part of the particle and having a peak of C2H5S+, C3H7S+ or C4H9S+ obtained by cation analysis by time of flight secondary ion mass spectrometry.
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