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    • 87. 发明授权
    • Lithium ion battery
    • 锂离子电池
    • US08470476B2
    • 2013-06-25
    • US12768442
    • 2010-04-27
    • Taisuke YamamotoMasaya UgajiMasahiro Kinoshita
    • Taisuke YamamotoMasaya UgajiMasahiro Kinoshita
    • H01M4/58
    • H01M10/0525H01M4/0421H01M4/134H01M4/1395H01M10/056H01M10/0565H01M2300/0082H01M2300/0094
    • A lithium ion battery includes: a positive electrode; a negative electrode that includes a negative electrode active material layer that contains an alloy-formable active material; an ion permeable insulating layer that is interposed between the positive electrode and the negative electrode; and an ion conductive polymer layer that is interposed between the negative electrode and the ion permeable insulating layer, in which the ion conductive polymer layer is configured to include a negative electrode-side portion and an ion permeable insulating layer-side portion that have different compositions, and the ion permeable insulating layer-side portion is configured to have higher ion conductivity than the negative electrode-side portion. With such a lithium ion battery, charge/discharge cycle characteristics and rate characteristics can be improved.
    • 锂离子电池包括:正极; 负极,其包含含有可合金成形的活性物质的负极活性物质层; 介于正极和负极之间的离子可渗透绝缘层; 以及介于负极和离子可渗透绝缘层之间的离子导电聚合物层,其中离子导电聚合物层被构造成包括具有不同组成的负电极侧部分和离子可渗透绝缘层侧部分 离子透过性绝缘层侧部分的离子导电性高于负极侧部分。 利用这样的锂离子电池,可以提高充放电循环特性和速率特性。