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    • 64. 发明申请
    • STACK TYPE BATTERY
    • 堆叠式电池
    • US20150037658A1
    • 2015-02-05
    • US14384880
    • 2013-03-21
    • SANYO Electric Co., Ltd.
    • Hitoshi MaedaYoshio GodaMasayuki FujiwaraYoshitaka ShinyashikiYoshihiro Matsushita
    • H01M2/26
    • H01M2/266H01M10/0463H01M10/052H01M10/0585
    • In a stack type battery containing a stacked electrode assembly in which a positive electrode plate having a positive electrode current collector tab extending therefrom and a negative electrode plate having a negative electrode current collector tab extending therefrom are alternately stacked interposing a separator therebetween, a through portion for positioning that passes through in the thickness direction is formed in at least one of the positive and negative electrode current collector tab, and the width at the through portion-unformed position of the positive or negative electrode collector tab is 50 mm or more, and the width of the through portion for positioning is 10% or less of the width at the through portion-unformed position of the positive or negative electrode current collector tab.
    • 在具有堆叠电极组件的堆叠型电池中,其中具有从其延伸的正极集电片的正极板和从其延伸的具有负极集电片的负极板交替堆叠在其间插入隔板,通孔部分 在正极集电片和负极集电片中的至少一个上形成有在厚度方向上通过的定位,正极集电片或负极集电片的贯通部未形成位置的宽度为50mm以上, 用于定位的贯通部的宽度为正或负极集电片的贯通部未形成位置的宽度的10%以下。
    • 70. 发明申请
    • Bi-CELL FOR SECONDARY BATTERY HAVING IMPROVED STABILITY AND METHOD OF PREPARING THE SAME
    • 具有改进的稳定性的二次电池的双电池及其制备方法
    • US20140363729A1
    • 2014-12-11
    • US14467542
    • 2014-08-25
    • LG CHEM, LTD.
    • Jung Han KIMMin Su KIM
    • H01M2/26H01M2/14H01M2/18
    • H01M2/266H01M2/145H01M2/1673H01M2/18H01M10/04H01M10/0585Y10T29/49108
    • Provided are a bi-cell for a secondary battery having improved stability which may reduce shrinkage of a separator, and a method of preparing the bi-cell. The bi-cell for a secondary battery having improved stability according to an exemplary embodiment of the present invention is characterized in that a cathode and an anode are alternatingly disposed in a state in which the cathode has one more layer than the anode or the anode has one more layer than the cathode, separators having a bigger size than the cathode and the anode and insulating the cathode and the anode are disposed between the cathode and the anode, and edges of an upper separator and edges of a lower separator, which face to each other having the cathode and the anode disposed therebetween, are attached to each other to form fused portions.
    • 提供一种具有改善的稳定性的二次电池的双电池,其可以减少隔板的收缩率,以及制备双电池的方法。 根据本发明的示例性实施方案,具有改进的稳定性的二次电池用双电池的特征在于,阴极和阳极以阴极比阳极多一层或阳极具有的方式交替设置 比阴极多一层,具有比阴极和阳极更大的绝缘体并将阴极和阳极绝缘的隔板设置在阴极和阳极之间,以及上隔板的边缘和下隔板的边缘 彼此具有设置在其间的阴极和阳极彼此附接以形成熔融部分。