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    • 21. 发明公开
    • 전극 리드 및 이를 포함하는 이차 전지
    • 电极引线和二次电池,包括它们
    • KR1020140049748A
    • 2014-04-28
    • KR1020120115941
    • 2012-10-18
    • 주식회사 엘지화학
    • 조승수최승돈정창문이경민김성수
    • H01M2/26H01M2/30H01M10/02
    • H01M2/345H01M2/06H01M2/12H01M2/1235H01M2/30H01M10/4235H01M2200/20
    • Disclosed are an electrode lead, a secondary battery including the same, and a battery pack. The electrode lead of a novel type having the improved stability is capable of discharging gas generated when the gas is generated in the secondary battery and blocking an electrical connection with the outside. The electrode lead, which electrically connects an electrode assembly mounted in an exterior material of a secondary battery to the outside the exterior material, comprises an internal lead which is interposed between sealing parts of the exterior material and has an electrode tab of the electrode assembly attached thereto and a gas flow path formed therein so that gas can be moved between the inside and the outside the exterior material; and an external lead which is arranged to be inserted into the gas flow path, is electrically connected to the internal lead when being inserted into the gas flow path, closes one end of the gas flow path and is separated from the gas flow path to block an electrical connection with the internal lead when a pressure of the gas entered into the gas flow path is greater than a certain pressure.
    • 公开了电极引线,包括该引线的二次电池和电池组。 具有改进的稳定性的新型电极引线能够排出在二次电池中产生气体时产生的气体并阻断与外部的电连接。 将安装在二次电池的外部材料中的电极组件电连接到外部材料外部的电极引线包括内部引线,其插入在外部材料的密封部分之间并且具有连接到电极组件的电极接线片 并且形成在其中的气体流路,使得气体可以在外部材料的内部和外部之间移动; 并且布置成插入到气体流路中的外部引线在被插入到气体流路中时与内部引线电连接,封闭气体流路的一端,并与气体流路分离,从而阻塞 当进入气体流路的气体的压力大于一定压力时,与内部引线的电连接。
    • 26. 发明公开
    • 상변환 물질을 이용한 과충전 보호소자와 이를 적용한 이차전지
    • 包含相变材料的超大容量保护装置及其相应的二次电池
    • KR1020110072721A
    • 2011-06-29
    • KR1020090129771
    • 2009-12-23
    • 주식회사 엘지화학
    • 조승수최승돈홍승택박성준윤난지김여진주용규
    • H01M10/42H02H7/18
    • PURPOSE: A protection device for a secondary battery is provided to prevent the overcharging as electrons are conducted by reducing resistance values by phase change materials in a specific voltage or more and to improve the safety of the secondary battery. CONSTITUTION: A protection device(100) suppresses the overcharging of a secondary battery since a positive electrode(101) and a negative electrode(102) are parallel-connected on a circuit. The protection device includes a first resistance(110) which is connected to a positive electrode of the secondary battery and distributes the voltage applied to the second resistance; a second resistance(120) which is connected to the first resistance and lowers the resistance value caused by phase transfer in a temperature rise; and a third resistance(130) which is connected to the second resistance and the negative electrode of the secondary battery.
    • 目的:提供一种用于二次电池的保护装置,以防止通过在特定电压以上的相变材料中降低电阻值而使电子进行过充电,并提高二次电池的安全性。 构成:由于正极(101)和负极(102)在电路上并联,因此保护装置(100)抑制二次电池的过充电。 保护装置包括连接到二次电池的正极的第一电阻(110)并且分配施加到第二电阻的电压; 连接到第一电阻的第二电阻(120),并降低在温度升高中由相位转移引起的电阻值; 和与二次电池的第二电阻和负极连接的第三电阻(130)。