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    • 4. 发明授权
    • Electrode assembly and rechargeable battery having the same
    • 电极组件和可充电电池具有相同的功能
    • US09263761B2
    • 2016-02-16
    • US13926032
    • 2013-06-25
    • SAMSUNG SDI CO., LTD.
    • Yoon-Tai KwakJeong-Won Oh
    • H01M4/00H01M10/04H01M4/13H01M4/64H01M10/0587H01M10/0525H01M4/02
    • H01M10/0431H01M4/13H01M4/64H01M10/0525H01M10/0587H01M2004/021Y02E60/122Y02T10/7011
    • An electrode assembly includes a positive electrode including a positive active material layer on each of first and second surfaces of a positive electrode current collector, a negative electrode including a negative active material layer on each of first and second surfaces of a negative electrode current collector, and an inner separator between the positive electrode and the negative electrode, wherein each of the positive electrode and the negative electrode includes a side end uncoated region at respective side ends of the positive electrode and the negative electrode, the side end uncoated regions of each of the positive and negative electrodes including no active material layers on respective electrode current collectors, and wherein at least one of the positive electrode and the negative electrode has an inner uncoated region positioned at a center of the electrode assembly, the inner uncoated region including no active material layer thereon.
    • 电极组件包括在正极集电体的第一和第二表面的每一个上包括正极活性物质层的正极,负极集电体的第一和第二表面的负极活性物质层, 以及正极和负极之间的内隔板,其中正电极和负电极中的每一个包括在正电极和负电极的各个侧端处的侧端未涂覆区域,每个的侧端未涂覆区域 所述正极和负极在各自的电极集电体上不包含活性材料层,并且其中所述正极和所述负极中的至少一个具有位于所述电极组件的中心的内部未涂覆区域,所述内部未涂覆区域不包括活性物质 材料层。