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    • 20. 发明授权
    • Battery having enhanced electrical insulation capability
    • 电池具有增强的电绝缘能力
    • US09142854B2
    • 2015-09-22
    • US12935545
    • 2009-02-27
    • Jin Soo LeeKil Young LeeDong Myung Kim
    • Jin Soo LeeKil Young LeeDong Myung Kim
    • H01M10/0587H01M10/04H01M2/16H01M2/26
    • H01M10/0431H01M2/1673H01M2/263H01M10/0587Y02E60/122Y02P70/54
    • Disclosed is a battery including a cathode and an anode wound to face each other with a separator interposed therebetween. Both surfaces of a cathode collector are provided with cathode active-material coating layers so as not to provide a cathode uncoated part at a winding beginning portion of the cathode. The cathode uncoated part for installation of a cathode lead is provided only at a winding ending portion of the cathode. An insulator tape is attached to the boundary of the cathode active-material coating layer facing the anode at the winding ending portion of the cathode. Providing the insulator tape to the boundary of the cathode active-material coating layer at a position where a non-coating part not containing the cathode active-material coating layer and an anode active-material coating layer face each other achieves enhanced electrical insulation capability and consequential safety of the battery.
    • 公开了一种电池,其包括阴极和阳极,其间隔开隔离件彼此面对。 阴极集电体的两个表面设置有阴极活性材料涂层,以便在阴极的卷绕开始部分处不提供阴极未涂覆部分。 用于安装阴极引线的阴极未涂覆部分仅在阴极的卷绕结束部分处提供。 在阴极的卷绕结束部分处,阴极活性材料涂层的面向阳极的边界附着绝缘胶带。 在不含阴极活性材料被覆层和负极活性物质覆盖层的非涂布部位彼此面对的位置处,在阴极活性物质被覆层的边界上设置绝缘体带,能够提高电绝缘性, 电池的相应安全性。