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1. 发明申请

US20090305122A1 LITHIUM-ION SECONDARY BATTERY 审中-公开
标题翻译：锂离子二次电池
公开(公告)号：US20090305122A1
公开(公告)日：2009-12-10
申请号：US12477343
申请日：2009-06-03
申请人： Takayuki MITANI , Katsunori Suzuki
发明人： Takayuki MITANI , Katsunori Suzuki
IPC分类号： H01M6/10
CPC分类号： H01M2/0413 , H01M2/14 , H01M2/18 , H01M2/263 , H01M10/052 , H01M10/0587 , Y02T10/7011
摘要： A lithium-ion secondary battery capable of preventing an internal short-circuit due to application of possible vibrations without degradation of large-current discharge performance to ensure high reliability for a long time of use.A lithium-ion secondary battery comprising a positive electrode with a comb-like shaped positive electrode lead piece formed on one side of said positive electrode, a negative electrode with a comb-like shaped negative electrode lead piece formed on one side of said negative electrode, an electrode assembly in which said positive and negative electrodes are rolled up interposing a separator therebetween, and said positive and negative electrode lead pieces are directed in the mutually opposite directions at opposite sides of said positive and negative electrodes, a ring-like shaped positive electrode collector disposed on one end side of said electrode assembly, said positive electrode lead piece being joined to an outer periphery part of said positive electrode collector to collect potential on said positive electrode, a ring-like shaped negative electrode collector disposed on the other end side of said electrode assembly at the opposite position to said positive electrode collector, said negative electrode lead piece being joined to an outer periphery part of said negative electrode collector to collect potential on said negative electrode, a can type battery container for containing said electrode assembly and said positive and negative electrode collectors, a battery lid for sealing said battery container via a gasket, and an insulator laid over at least extent from the outer surface of said positive or negative electrode collector disposed between said electrode assembly and said battery lid to the one end of battery lid's side in said electrode assembly so as to cover said positive or negative electrode lead piece with said insulator.
摘要翻译：一种锂离子二次电池，其能够防止由于施加可能的振动而导致的内部短路，而不会降低大电流放电性能，以确保长时间使用的高可靠性。一种锂离子二次电池，包括形成在所述正极的一侧的具有梳状正极引线片的正极，形成在所述负极的一侧上的梳状负极引线片的负极，其中所述正极和负极卷绕在其间的隔板的电极组件，并且所述正极和负极引线在所述正极和负极的相对侧沿相互相反的方向被引导，环形正极设置在所述电极组件的一端侧的电极集电体，所述正极引线片与所述正极集电体的外周部分接合，以收集所述正极上的电位，设置在另一端的环状负极集电体在与所述正极集电体相对的位置处的所述电极组件的侧面，所述负极引线片与所述负极集电体的外周部分接合以收集所述负极上的电位;罐型电池容器，用于容纳所述电极组件和所述正负极集电体;电池盖，用于密封所述电池容器通过垫圈和从所述电极组件和所述电池盖之间设置在所述电极组件和所述电池盖之间的所述正或负极集电体的外表面至少延伸到所述电极组件中的电池盖侧的一端的绝缘体，以覆盖所述具有所述绝缘体的正极或负极引线片。

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