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    • 3. 发明申请
    • High Capacity Lithium Ion Secondary Battery with Metal Case
    • 大容量锂离子二次电池与金属外壳
    • US20080213657A1
    • 2008-09-04
    • US11817518
    • 2006-03-03
    • Lu QiJianhua LiPing AnXiufeng Zhu
    • Lu QiJianhua LiPing AnXiufeng Zhu
    • H01M2/02H01M10/36
    • H01M2/06H01M2/30H01M10/0525H01M10/058H01M10/0587H01M10/28H01M10/30
    • The present invention relates to a high capacity lithium ion secondary battery with metal casing, characterized in that each of the positive terminal or negative terminal includes respectively an upper backing plate, an upper insulator and a lower insulator. The upper backing plate and upper insulator are long-circular piece, two or more rivets pass through the concentric holes on the upper arm of a positive or negative electrode tab, the lower insulator, a sealing cover, the upper insulator and the upper backing plate respectively and rivet them as a whole. The lower arm of the positive electrode tab or negative electrode tab is connected to the corresponding positive or negative electrode tab on a battery core body, and the battery core body is comprised of two or more winded cores in parallel connection. The battery is provided with the advantages and effects of good sealing performance, good electrochemistry property, and simple manufacturing process, as well as high security of a pile comprised of plurality of such individual batteries. As a result the useless space in height of battery is reduced and the volumetric specific energy of the same is enhanced.
    • 本发明涉及具有金属外壳的高容量锂离子二次电池,其特征在于,所述正极端子或负极端子中的每一个分别包括上背板,上绝缘体和下绝缘体。 上背板和上绝缘体是长圆形件,两个或多个铆钉穿过正或负电极接头的上臂上的同心孔,下绝缘体,密封盖,上绝缘体和上背板 分别铆接它们作为一个整体。 正极片或负电极片的下臂与电池芯体上的相应的正或负电极接头连接,并且电池芯体由两个或更多个并联的缠绕芯构成。 电池具有良好的密封性能,良好的电化学性能和简单的制造工艺的优点和效果,以及由多个这种单独电池构成的堆的高安全性。 因此,电池高度的无用空间减小,并且其体积比能量增强。