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    • 22. 发明公开
    • 과충전 방지 회로
    • 防止超大规模的保护电路
    • KR1020130090255A
    • 2013-08-13
    • KR1020120011429
    • 2012-02-03
    • 주식회사 엘지화학
    • 강옥균양정훈최승돈윤난지권대홍강진아
    • H02J7/00H01M10/46
    • H02J7/00H01M10/46H02J2007/0037
    • PURPOSE: A protective circuit for preventing overcharge is provided to protect a secondary battery from overcharging effectively even when a control circuit of a charging power supply does not operate normally. CONSTITUTION: A protective circuit for preventing overcharge prevents a secondary battery (20) from being overcharged, by flowing at least a part of a charge current flowed into the secondary battery from a charging part (10) to a detour circuit part (30) when the secondary battery is overcharged. The detour circuit part includes a chemical switching device which is connected to the secondary battery and causes conductive chemical reaction when a charge voltage of the secondary battery is equal to or greater than a threshold value (Vmax). [Reference numerals] (10) Charging part
    • 目的:提供一种用于防止过充电的保护电路,以便即使充电电源的控制电路不能正常工作,也能有效地保护二次电池免于过充电。 构成:用于防止过充电的保护电路通过使流过二次电池的充电电流的至少一部分从充电部分(10)流动到迂回电路部分(30)来防止二次电池(20)被过度充电,当 二次电池过充电。 绕线电路部分包括连接到二次电池并且当二次电池的充电电压等于或大于阈值(Vmax)时导致化学反应的化学开关装置。 (附图标记)(10)充电部
    • 23. 发明公开
    • 부식방지용 보호층이 선택적으로 형성된 전극리드, 및 이를 포함하는 이차전지
    • 用于防腐蚀的保护层的电极引线被选择性地形成,并且包括它的二次电池
    • KR1020130087469A
    • 2013-08-06
    • KR1020130084166
    • 2013-07-17
    • 주식회사 엘지화학
    • 조승수최승돈전호진최대식권대홍윤유림
    • H01M2/26H01M2/30
    • PURPOSE: A secondary battery is provided to selectively form an anticorrosion layer only on an electrode lead part located outside a cell, thereby preventing the corrosion of an electrode lead and to reduce cell resistance. CONSTITUTION: A secondary battery (10) includes an electrode assembly (30) and an exterior material (20). The secondary battery includes an adhesive film (80) for insulating an electrode lead (60) and an exterior material. The electrode assembly includes a positive electrode and a negative electrode laminated in order in a state that a separating film is inserted between them; a plurality of electrode tabs (40) extended from each electrode plate of the positive and negative electrodes; and the electrode lead which is electrically connected to the electrode tabs. The electrode lead includes a cell external part which is the outer part of the exterior material and a cell internal part accommodating the electrode assembly in the exterior material. An anticorrosion layer (90) is selectively formed only on the cell external part by a coating or a plating. [Reference numerals] (AA) With an anticorrosion coating; (BB) Without an apply an anticorrosion coating; (CC) Welding part
    • 目的:提供二次电池以仅在位于电池外部的电极引线部分上形成防腐层,从而防止电极引线的腐蚀并降低电池电阻。 构成:二次电池(10)包括电极组件(30)和外部材料(20)。 二次电池包括用于绝缘电极引线(60)和外部材料的粘合膜(80)。 电极组件包括在分离膜插入其间的状态下依次层叠的正极和负极; 从正极和负极的每个电极板延伸的多个电极片(40); 以及电连接到电极接头的电极引线。 电极引线包括作为外部材料的外部的电池外部部分和容纳外部材料中的电极组件的电池单元内部。 通过涂布或电镀仅在电池外部部分形成防腐层(90)。 (附图标记)(AA)具有防腐蚀涂层; (BB)不使用防腐涂层; (CC)焊接部分
    • 25. 发明公开
    • 함침성이 향상된 이차전지 및 그 제조방법
    • 具有改进的电解湿润性能的锂二次电池及其制备方法
    • KR1020120079264A
    • 2012-07-12
    • KR1020110000467
    • 2011-01-04
    • 주식회사 엘지화학
    • 전호진권대홍최승돈최대식
    • H01M2/36
    • PURPOSE: A secondary battery with improved wettability is provided to able to absolutely remove inner gas, and to improve performance, and lifetime of a secondary battery by increasing electrolyte impregnation of an electrode assembly. CONSTITUTION: A secondary battery comprises a first flow channel(20) for electrolyte injection, and a second flow channel(21) for vacuum process in order to make the inside of a battery to vacuum state. The first flow channel is formed on one side of a pouch type exterior. The second flow channel is formed at location separated from the first flow channel. The first and the second flow channels are formed on the pouch type exterior of a part corresponding with an upper or a lower direction of an electrode assembly(10). The first flow channel and the second flow channel are formed along the opposite directions each other on the pouch type exterior.
    • 目的:提供具有改善的润湿性的二次电池,以通过增加电极组件的电解质浸渍来绝对地去除内部气体,并且提高二次电池的性能和使用寿命。 构成:二次电池包括用于电解液注入的第一流动通道(20)和用于真空处理的第二流动通道(21),以使电池内部达到真空状态。 第一流路形成在袋型外部的一侧。 第二流路形成在与第一流路分离的位置。 第一和第二流动通道形成在与电极组件(10)的上部或下部方向对应的部分的袋状外部上。 第一流动通道和第二流动通道在袋状外部沿着彼此相反的方向形成。
    • 26. 发明公开
    • PTC 특성을 갖는 용접부가 구비된 이차 전지 및 그 제조방법
    • 二次电池包括具有PTC特性的层状焊接区及其制造方法
    • KR1020120065776A
    • 2012-06-21
    • KR1020100127069
    • 2010-12-13
    • 주식회사 엘지화학
    • 조승수최승돈전호진최대식권대홍윤유림
    • H01M2/30H01M2/26H01M2/34H01M10/637
    • H01M2/30H01M2/26H01M2/34H01M10/637H01M2200/106
    • PURPOSE: A secondary battery is provided to simplify manufacturing process by giving PTC properties to welded part where an electrode tap and a lead are weld-combined without addition of separate devices or elements, and to restrict current flow when the temperature of the battery is increased. CONSTITUTION: A secondary battery comprises: an electrode assembly in which a positive electrode plate with a positive electrode tap(400), a negative electrode plate with a negative electrode tap, and a separator are cross-stacked; a pouch exterior in which the electrode assembly is accepted; and a positive and a negative leads(600) electrically conjugated by being welded to the positive and the negative electrode taps respectively. In a welded part in which the positive and the negative electrode taps are weld-conjugated, on at least one welded part of the positive electrode tap, the negative electrode tap, the positive electrode lead, and the negative electrode lead, a PTC coating layer is coated in advance, and welding is conducted.
    • 目的:提供二次电池,以便通过给焊接部件提供PTC性能来简化制造过程,其中电极丝锥和引线焊接在一起而不添加单独的器件或元件,并且当电池的温度升高时限制电流流动 。 构成:二次电池包括:电极组件,其中具有正电极抽头(400)的正极板,具有负极抽头的负极板和隔膜积层; 电极组件被接受的小袋外部; 以及分别通过焊接到正电极抽头和负电极抽头而电共轭的正和负引线(600)。 在正电极抽头,负电极引线和负极引线的至少一个焊接部分上,在正极和负极抽头焊接共轭的焊接部分中,PTC涂层 预先涂布,进行焊接。
    • 27. 发明公开
    • 파우치형 리튬이차전지
    • POUCH型锂二次电池
    • KR1020120064172A
    • 2012-06-19
    • KR1020100125265
    • 2010-12-09
    • 주식회사 엘지화학
    • 윤유림조승수전호진최대식최승돈권대홍
    • H01M10/0525H01M2/26H01M4/66H01M4/02
    • H01M10/0525H01M2/26H01M4/00H01M4/02H01M4/66
    • PURPOSE: A pouch type lithium secondary battery is provided to seclude flow of current at early stage by easily separate a connection area of an electrode tap and an uncoated area in case of swelling, thereby remarkably increasing overcharge safety. CONSTITUTION: A pouch type lithium secondary battery comprises an electrode assembly, a pouch external material which stores the electrode assembly, and an electrode tap(20) connected to the electrode assembly, an electrode part(11) on which electrode active material is spread, and an uncoated part(12) on which the electrode active material is not spread. The electrode tap is fused and connected to the uncoated area. The uncoated area is formed to have one or more of vacant space part(30) between separation distance of the electrode tap and electrode part. The space part is in a hole form which is surrounded with the uncoated area.
    • 目的:提供一种袋式锂二次电池,用于通过在膨胀时容易地分离电极接头的连接区域和未涂覆区域,从而大大增加过充电安全性,从而在早期阶段阻止电流流动。 构成:袋型锂二次电池包括电极组件,存储电极组件的袋外部材料和连接到电极组件的电极丝锥(20),电极活性材料分布在其上的电极部分(11) 和未涂布电极活性物质的未涂覆部分(12)。 电极丝锥熔融并连接到未涂覆的区域。 未涂覆区域形成为在电极抽头的间隔距离和电极部分之间具有空间空间部分(30)中的一个或多个。 空间部分是以未涂覆区域包围的孔形式。
    • 29. 发明公开
    • 배터리 셀 및 이를 포함하는 배터리 모듈
    • 电池和电池模块包括它
    • KR1020160075468A
    • 2016-06-29
    • KR1020160076022
    • 2016-06-17
    • 주식회사 엘지화학
    • 윤난지강옥균강진아권대홍양정훈최승돈
    • H01M2/02H01M2/12H01M2/04
    • H01M2/02H01M2/04H01M2/12H01M2200/00
    • 본발명에따른배터리모듈은, 적어도하나의단위셀 및상기단위셀을감싸는셀 커버를포함하며서로마주보도록위치하는복수개의단위모듈을구비하는배터리셀 및상기배터리셀을수용하는외장케이스를포함하는배터리모듈에있어서, 상기단위셀은, 본체및 상기본체로부터인출되는전극탭을포함하는전극조립체; 상기전극탭과결합하며상기전극조립체의외측방향으로연장되는전극리드; 및상기전극리드가외부로인출되도록상기전극조립체를수용하며테두리를따라일정두께로형성된융착라인을구비하는파우치케이스를포함하며, 상기복수개의단위모듈중 어느하나의단위모듈의셀 커버는, 상기단위셀의테두리영역과대응되는영역내에형성되어상기어느하나의단위모듈과인접한단위모듈을향하는방향으로연장되는적어도하나의파단돌기; 및상기인접하는단위모듈의파단돌기가삽입되는수용홀을포함하며, 상기파단돌기는상기인접하는단위모듈의셀 커버에형성된상기수용홀을관통하여, 상기인접한단위모듈의셀 커버의내측면과단위셀 사이에이르도록연장되고, 상기파단돌기는상기본체와상기파우치케이스의모서리사이의영역과대응되는영역내에형성될수 있다. 본발명에따르면, 단위셀의내부에발생하는가스를외부로신속하게방출하는것이가능해짐으로써배터리셀 사용상의안전성을확보할수 있다.
    • 本发明涉及一种电池模块,其包括电池单元和用于封装电池单元的外壳。 电池单元包括彼此面对的多个单元模块,并且具有至少一个单位单元和封闭单元的单元盖。 单元电池包括:具有主体的电极组件和从主体抽出的电极片; 电极引线,其与所述电极接头连接并沿所述电极组件的外侧方向延伸; 以及容纳电极组件以将电极引线拉回到外部并且具有沿着袋壳体的边缘形成一定厚度的焊接线的袋壳体。 多个单元模块中的任何一个单元模块的单元盖包括:至少一个断裂突起,其形成在与单位单元的边缘区域相对应的区域中,并且在朝向与单元模块相邻的单元模块的方向上延伸 单元模块; 以及相邻单元模块的断裂突起插入其中的接收孔。 断裂的突起穿过形成在相邻单元模块的电池盖中的接收孔,以延伸到相邻单元模块的电池盖的内部和单元之间。 断裂的突起可以形成在对应于主体和袋壳体的边缘之间的区域的区域中。 根据本发明,可以通过将在单元电池内产生的气体快速地排放到外部来实现电池单体使用的安全性。