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    • 1. 发明授权
    • Pressure sensitive current breaker for a cell
    • 电池的压敏电流断路器
    • US06403250B1
    • 2002-06-11
    • US09510046
    • 2000-02-22
    • Tadamitsu AzemaYoshinori IshikawaYosuke Arimori
    • Tadamitsu AzemaYoshinori IshikawaYosuke Arimori
    • H01M212
    • H01M2/345H01M2/1229H01M2/1241H01M2/34
    • The invention provides a high-performance pressure sensitive current breaker for a cell that securely cuts off the current path inside the cell even when the pressure increase inside the cell is low, and suppresses the pressure increase inside. The pressure sensitive current breaker for a cell of this invention is configured such that an insulator to swell out toward a diaphragm portion is formed by the insert molding with part of a lead part exposed from an opening of a retaining member, a notching part is formed on part of the lead part to make the lead part easily ruptured, a current path between a generating element inside the cell and an external electrode is made through the lead part, and when a pressure inside the cell case rises over a specific value to displace the diaphragm upward, the diaphragm presses the insulator upward to rupture the lead part at the notching part, thereby cutting off the current path.
    • 本发明提供了一种用于电池的高性能压敏电流断路器,即使当电池内部的压力增加较低时,也能够牢固地切断电池内的电流路径,并且抑制内部的压力增加。 本发明的电池的压敏电流断路器被构造成使得通过插入成型形成向隔膜部分膨胀的绝缘体,其中一部分从保持构件的开口露出的引线部分形成,形成开槽部分 在引导部分的一部分上使引线部分容易破裂,电池内部的发电元件和外部电极之间的电流路径通过引线部分制成,并且当电池壳体内的压力上升超过特定值以移位时 隔膜向上,隔膜向上推压绝缘体,使引线部分在开槽部分断裂,从而切断电流通路。