Invention Grant
US08173301B2 Positive electrode active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery including the same
有权
用于非水电解质二次电池的正极活性材料和包含该非水电解质二次电池的非水电解质二次电池
- Patent Title: Positive electrode active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery including the same
- Patent Title (中): 用于非水电解质二次电池的正极活性材料和包含该非水电解质二次电池的非水电解质二次电池
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Application No.: US12265231Application Date: 2008-11-05
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Publication No.: US08173301B2Publication Date: 2012-05-08
- Inventor: Hidekazu Hiratsuka , Norihiro Yamamoto , Yutaka Kawatate , Hiroaki Furuta , Kensuke Nakura , Hiroshi Yoshizawa
- Applicant: Hidekazu Hiratsuka , Norihiro Yamamoto , Yutaka Kawatate , Hiroaki Furuta , Kensuke Nakura , Hiroshi Yoshizawa
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Main IPC: H01M4/525
- IPC: H01M4/525 ; H01M4/13 ; H01M4/505 ; C01D15/00
Abstract:
A positive electrode active material for a non-aqueous electrolyte secondary battery including a lithium-containing transition metal oxide having a closest-packed cubic structure of oxygen, the lithium-containing transition metal oxide having a composition represented by the formula (1): Li[Lip(NixMnyCoz)1-p]O2, where x, y, and z represent element contents of nickel, manganese, and cobalt, respectively, and satisfies 0.2+y≦x≦0.7, 0.15≦y, 0.05≦z, x+y+z=1, and 0≦p≦0.1.
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