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    • 1. 发明授权
    • Can and lithium secondary battery using the same
    • 可以和锂二次电池使用相同
    • US09136507B2
    • 2015-09-15
    • US11387102
    • 2006-03-23
    • Sang-Woo LeeMin-Ho SongKwang-Su Kim
    • Sang-Woo LeeMin-Ho SongKwang-Su Kim
    • H01M6/12H01M2/02H01M10/058H01M10/052
    • H01M2/02H01M2/0217H01M10/052H01M10/058
    • A can for a lithium secondary battery and a lithium secondary battery using the same, where guide slots are formed in a bottom wall and a sidewall of the can of the lithium secondary battery so that the can is symmetrically bent about a longitudinal axis thereof when the lithium secondary battery is compressed in a direction orthogonal to the longitudinal axis, thus preventing a short circuit from occurring between electrode plates of the of the electrode assembly located within the can resulting in improved safety of the lithium secondary battery. Alternatively, embossing portions are formed in a bottom wall of the can for the lithium secondary battery while protruding toward an inner portion of the can, so that the bottom wall of the can is outwardly bent when the lithium secondary battery is subject to compression in a direction orthogonal to the longitudinal axis, resulting in improved safety of the lithium secondary battery.
    • 一种用于锂二次电池的罐和使用该锂二次电池的锂二次电池,其中在锂二次电池的罐的底壁和侧壁中形成引导槽,使得当罐的纵轴线对称地弯曲时,罐 锂二次电池在与纵向轴线正交的方向上被压缩,从而防止在位于罐内的电极组件的电极板之间发生短路,从而提高锂二次电池的安全性。 或者,在锂二次电池的罐的底壁中形成压花部分,同时向罐的内部突出,使得当锂二次电池在压缩状​​态时,罐的底壁向外弯曲 方向与纵向轴线正交,导致改善的锂二次电池的安全性。
    • 2. 发明申请
    • Can and lithium secondary battery using the same
    • 可以和锂二次电池使用相同
    • US20070145098A1
    • 2007-06-28
    • US11387102
    • 2006-03-23
    • Sang-Woo LeeMin-Ho SongKwang-Su Kim
    • Sang-Woo LeeMin-Ho SongKwang-Su Kim
    • A47J36/02
    • H01M2/02H01M2/0217H01M10/052H01M10/058
    • A can for a lithium secondary battery and a lithium secondary battery using the same, where guide slots are formed in a bottom wall and a sidewall of the can of the lithium secondary battery so that the can is symmetrically bent about a longitudinal axis thereof when the lithium secondary battery is compressed in a direction orthogonal to the longitudinal axis, thus preventing a short circuit from occurring between electrode plates of the of the electrode assembly located within the can resulting in improved safety of the lithium secondary battery. Alternatively, embossing portions are formed in a bottom wall of the can for the lithium secondary battery while protruding toward an inner portion of the can, so that the bottom wall of the can is outwardly bent when the lithium secondary battery is subject to compression in a direction orthogonal to the longitudinal axis, resulting in improved safety of the lithium secondary battery.
    • 一种用于锂二次电池的罐和使用该锂二次电池的锂二次电池,其中在锂二次电池的罐的底壁和侧壁中形成引导槽,使得当罐的纵轴线对称地弯曲时,罐 锂二次电池在与纵向轴线正交的方向上被压缩,从而防止在位于罐内的电极组件的电极板之间发生短路,从而提高锂二次电池的安全性。 或者,在锂二次电池的罐的底壁中形成压花部分,同时向罐的内部突出,使得当锂二次电池在压缩状​​态时,罐的底壁向外弯曲 方向与纵向轴线正交,导致改善的锂二次电池的安全性。
    • 7. 发明授权
    • Jelly-roll type battery unit and winding method thereof and lithium secondary battery comprising the same
    • 胶卷式电池单元及其卷绕方法以及包含该方法的锂二次电池
    • US09299970B2
    • 2016-03-29
    • US10748197
    • 2003-12-31
    • Chang-Seob KimJu-Hyung KimMin-Ho SongJung-Won Kang
    • Chang-Seob KimJu-Hyung KimMin-Ho SongJung-Won Kang
    • H01M4/70H01M2/26H01M10/052H01M10/0587
    • H01M2/263H01M4/70H01M10/052H01M10/0587Y02E60/122Y10T29/49108Y10T29/49114
    • A jelly-roll type battery unit, a winding method thereof and a lithium secondary battery comprising the battery unit include a first electrode plate having a first electrode current collector with a first electrode tab and a first electrode active material layer coated on at least one surface of the first electrode current collector, a second electrode plate having a second electrode current collector with a second electrode tab and a second electrode active material layer coated on at least one surface of the second electrode current collector, and a separator that is interposed between the first electrode plate and the second electrode plate, wherein the electrode tab is incorporated into the electrode current collector in an area of either the first or the second electrode plate where the corresponding electrode active material layer is not coated. Since an electrode tab is formed by cutting a portion of an electrode current collector and folding upward, deformation of a jelly-roll type battery unit is prevented.
    • 果冻卷型电池单元,其卷绕方法和包括该电池单元的锂二次电池包括具有第一电极集电器的第一电极板,第一电极集电器具有第一电极接线片和涂覆在至少一个表面上的第一电极活性材料层 的第二电极集电体,具有第二电极集电体的第二电极集电体,其具有第二电极接线片和涂覆在第二电极集电体的至少一个表面上的第二电极活性材料层,以及隔板, 第一电极板和第二电极板,其中,电极接线片在没有涂覆相应的电极活性物质层的第一或第二电极板的区域中结合到电极集电器中。 由于通过切割电极集电体的一部分并向上折叠来形成电极片,因此防止了胶卷型电池单元的变形。