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    • 4. 发明授权
    • Secondary battery
    • 二次电池
    • US08603668B2
    • 2013-12-10
    • US12926976
    • 2010-12-21
    • Kwangsoo KimJunghwan LeeSungmin ChuYongtae KimSungho Cho
    • Kwangsoo KimJunghwan LeeSungmin ChuYongtae KimSungho Cho
    • H01M2/08H01M2/12H01M10/50H01M2/02
    • H01M2/08H01M2/0413H01M2/348H01M2200/106
    • A secondary battery includes a can having an opening at a side thereof, an electrode assembly inside the can, the electrode assembly including a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode, a one-unit cap covering the opening of the can, the one-unit cap including a current interrupt unit, a cap-up on the current interrupt unit, a positive temperature coefficient (PTC) device between the current interrupt unit and the cap-up, and an adhesive unit attaching the current interrupt unit to the cap-up to integrate the current interrupt unit, the PTC device, and the cap-up with each other, and an insulating gasket sealing a space between the can and the one-unit cap to seal the can.
    • 二次电池包括在其一侧具有开口的罐,罐内部的电极组件,所述电极组件包括设置在第一电极和第二电极之间的第一电极,第二电极和隔板,一个单元 覆盖罐的开口的盖,单位盖包括当前中断单元,当前中断单元上的盖帽,当前中断单元和上盖之间的正温度系数(PTC)装置,以及 将当前中断单元附加到盖帽上的粘合单元将电流中断单元,PTC装置和上盖彼此集成,以及密封罐和单元盖之间的空间的绝缘垫圈以密封 罐头。
    • 7. 发明授权
    • Cylindrical lithium ion secondary battery
    • 圆柱形锂离子二次电池
    • US07993770B2
    • 2011-08-09
    • US11643814
    • 2006-12-22
    • Yooeup HyungJungseok KimYongtae KimSangbong Nam
    • Yooeup HyungJungseok KimYongtae KimSangbong Nam
    • H01M2/22H01M2/26H01M4/64
    • H01M10/0587H01M2/263H01M4/70
    • In a cylindrical lithium ion secondary battery, the width of an electrode tab positioned at a center of an electrode assembly is extended so that it serves as a center pin and functions to release heat. Thus, it is not necessary to separately insert a center pin, thereby reducing the manufacturing cost and steps. The cylindrical lithium ion secondary battery comprises an electrode assembly, a case for receiving the electrode assembly, and a cap assembly for sealing the top opening of the case. The electrode assembly comprises a positive electrode plate and negative electrode plate. The positive electrode plate has a positive electrode tab, a positive active material region, a positive uncoated region, and a positive current collector exposed through the positive uncoated region. The negative electrode plate has a negative electrode tab, a negative active material region, a negative uncoated region, a negative current collector exposed through the negative uncoated region, and a separator interposed between the positive and negative electrode plates. At least one of the positive and negative electrode tabs has an extended width at the center of the electrode assembly.
    • 在圆柱形锂离子二次电池中,位于电极组件中心的电极接头的宽度延伸,使其作为中心销并起到释放热作用。 因此,不需要分开插入中心销,从而降低制造成本和步骤。 圆柱形锂离子二次电池包括电极组件,用于接收电极组件的壳体和用于密封壳体的顶部开口的盖组件。 电极组件包括正极板和负极板。 正极板具有正极片,正极活性物质区域,正极未涂覆区域和通过正极未涂覆区域露出的正极集电体。 负极板具有负电极接线片,负极活性物质区域,负极未涂覆区域,通过负极未涂覆区域露出的负极集电体以及置于正极板和负极板之间的隔膜。 正电极片和负电极片中的至少一个在电极组件的中心具有延伸的宽度。