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公开(公告)号:US20080233485A1
公开(公告)日:2008-09-25
申请号:US12053940
申请日:2008-03-24
IPC分类号: H01M10/40
CPC分类号: H01M10/0525 , H01M4/131 , H01M4/133 , H01M4/525 , H01M10/0567 , H01M2300/0025
摘要: A non-aqueous electrolyte secondary battery comprises: a positive electrode using a positive electrode active material consisting of metal composite oxide containing lithium having a laminated structure; a negative electrode; and a non-aqueous electrolyte dissolving an electrolyte in a non-aqueous solvent; wherein the positive electrode active material contains 50 mol % or more of nickel in metal excluding lithium, and cyclic ether is added in the range of 0.1 volume % to 2.0 volume % to the non-aqueous electrolyte.
摘要翻译: 非水电解质二次电池包括:使用由具有层叠结构的含有锂的金属复合氧化物构成的正极活性物质的正极; 负极; 以及将电解质溶解在非水溶剂中的非水电解质; 其中,所述正极活性物质含有不含锂的金属中的镍的50摩尔%以上,所述非水电解质的环状醚的添加量为0.1体积%〜2.0体积%。