Lithium secondary battery
    11.
    发明授权
    Lithium secondary battery 有权
    锂二次电池

    公开(公告)号:US09252413B2

    公开(公告)日:2016-02-02

    申请号:US14094265

    申请日:2013-12-02

    摘要: The present invention relates to a lithium secondary battery. More specifically, according to embodiments of the present invention the lithium battery, which includes a cathode, an anode, and a separate membrane inserted between the cathode and the anode, is characterized in that the separator membrane is a polyolefin porous membrane which has an aramid coating layer; and the cathode includes a lithium metal oxide cathode active material which has an olivine-type iron phosphate lithium coating layer, or the anode includes a carbon anode active material which has a spinel-type lithium titanium oxide coating layer. The lithium secondary battery in accordance with embodiments of the present invention has excellent basic electric performance and improved stability.

    摘要翻译: 锂二次电池技术领域本发明涉及锂二次电池。 更具体地,根据本发明的实施例,包括阴极,阳极和插入在阴极和阳极之间的单独膜的锂电池的特征在于隔膜是具有芳族聚酰胺的聚烯烃多孔膜 涂层; 并且阴极包括具有橄榄石型磷酸铁锂涂层的锂金属氧化物正极活性物质,或者阳极包括具有尖晶石型锂钛氧化物被覆层的碳负极活性物质。 根据本发明的实施方案的锂二次电池具有优异的基本电性能和改进的稳定性。

    HIGH HEAT RESISTANCE COMPOSITE SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME
    12.
    发明申请
    HIGH HEAT RESISTANCE COMPOSITE SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME 审中-公开
    用于锂二次电池的高耐热复合分离器和包括其的锂二次电池

    公开(公告)号:US20140370358A1

    公开(公告)日:2014-12-18

    申请号:US14364415

    申请日:2012-02-13

    IPC分类号: H01M2/16 H01M10/42

    摘要: Disclosed is a high heat resistance composite separator including a porous substrate having a plurality of pores, an inorganic coating layer formed on one surface of the porous substrate, the inorganic coating layer including a plurality of inorganic particles and a binder polymer disposed on a portion or all of surfaces of the inorganic particles to connect and bind the inorganic particles, and a high heat resistance polymer coating layer formed on the other surface of the porous substrate, the high heat resistance polymer coating layer including a high heat resistance polymer and inorganic particles dispersed in the high heat resistance polymer.

    摘要翻译: 公开了一种高耐热复合隔膜,其包括具有多个孔的多孔基材,形成在多孔基材的一个表面上的无机涂层,无机涂层包括多个无机颗粒和粘合剂聚合物, 无机颗粒的所有表面连接和结合无机颗粒,以及形成在多孔基材的另一个表面上的高耐热聚合物涂层,包含高耐热聚合物和分散的无机颗粒的高耐热性聚合物涂层 在高耐热聚合物中。

    Packing apparatus for an automated manufacturing system of lithium secondary battery
    15.
    发明授权
    Packing apparatus for an automated manufacturing system of lithium secondary battery 有权
    锂二次电池自动化制造系统的包装设备

    公开(公告)号:US07500304B2

    公开(公告)日:2009-03-10

    申请号:US10478540

    申请日:2002-05-17

    申请人: Ji-Jun Hong

    发明人: Ji-Jun Hong

    IPC分类号: B23P19/04 B32B39/00

    摘要: An packing apparatus for an automated manufacturing system of a secondary lithium battery is disclosed. The packing apparatus comprises: a frame; a base member which is installed at the frame, and is provided with a receiving rack for receiving a batch of separator both surfaces of which are laminated with positive electrode plates and negative electrode plates in a predetermined pattern; a stopper member installed at the frame to be linearly movable so as to selectively approach one end of the base member for preventing the separator being supplied to the base member from being separated from the receiving rack; a folder member installed at the frame to be linearly movable with respect to the receiving rack so that the folder can press the separator supplied to a receiving space formed by the receiving rack and the stopper member for predetermined duration, and fold the separator so that both side sections of the folded separator can have the shape of “Z”, and the positive electrode plates and the negative electrode plates can alternate with each other; and a cutting/taping member for moving the separator folded in the shape of “Z” to a predetermined area, cutting the separator at a non-electrode plate area to which no electrode plate is attached, and taping the folded and cut piece of separator.

    摘要翻译: 公开了一种用于二次锂电池的自动化制造系统的包装设备。 包装设备包括:框架; 安装在框架上的基座部件,并且设置有用于接收一批隔板的接收架,两个隔板的表面以预定图案与正极板和负极板层压; 安装在所述框架上以可线性移动以便选择性地接近所述基座部件的一端的止动件,以防止所述分离器被供应到所述基座部件与所述接收齿条分离; 安装在所述框架处的折叠构件,以能够相对于所述接收架直线移动,使得所述夹具能够将供给到由所述接收架和所述止动构件形成的接收空间的隔离物按预定的持续时间进行按压,并使所述隔板折叠 折叠分离器的侧部可以具有“Z”形状,并且正极板和负极板可以彼此交替; 以及用于将以“Z”形状折叠的隔板移动到预定区域的切割/带迹构件,在没有安装电极板的非电极板区域处切割隔板,并且将折叠和切割的隔片 。

    Method for treating electrode tabs of crude cell for lithium secondary battery, and crude cell and lithium secondary battery according to the method

    公开(公告)号:US07067218B2

    公开(公告)日:2006-06-27

    申请号:US10446272

    申请日:2003-05-23

    申请人: Ji-Jun Hong

    发明人: Ji-Jun Hong

    IPC分类号: H01M4/64

    摘要: A method for treating electrode tabs of a crude cell for a lithium secondary battery, crude cell for a lithium secondary battery manufactured according to the method, and a lithium secondary battery employing the crude cell are disclosed. The method for treating electrode tabs of a crude cell provided with a plurality of anode plates having respective anode grids, a plurality of anode plates having respective anode grids, and a separator strip interposed, in a fold/fold manner, between the anode plates and the cathode plates which are disposed alternately, includes the steps of: (a) gathering the anode grids and the cathode grids, respectively, so that the grids can be close to a first surface and be substantially parallel to the first surface, and cutting the end portions of the anode grids and the cathode grids so that the anode grids and the cathode grids can have the shortest length required for being welded to respective tab members; (b) welding an anode tab member and a cathode tab member to respective end portions of the anode grids and the cathode grids to form an anode side welded portion and a cathode side welded portion having lengths as short as possible; (c) attaching insulating tape to the anode side welded portion and the cathode side welded portion so that the insulating tape can wrap the welded portions; (d) bending the anode grids and the cathode grids at respective first bend portions so that the grids can be close to a second surface which is opposite to the first surface, and be substantially perpendicular to the second surface; (e) bending the respective tab members at respective second bend portions so that the tab members can be close to the respective first bend portion, and be substantially parallel to the first surface.

    Lithium secondary cell and method of fabricating the same

    公开(公告)号:US07033701B2

    公开(公告)日:2006-04-25

    申请号:US10162542

    申请日:2002-06-03

    申请人: Ji Jun Hong

    发明人: Ji Jun Hong

    IPC分类号: H01M10/14

    摘要: The present invention relates to a lithium secondary cell and a method of fabricating the same. The lithium secondary cell; a plurality of cathode plates having a desired size and adhered on one surface of the separator film while being uniformly spaced apart from one another; a plurality of anode plates having a desired size and adhered on the other surface of the separator film at spaced positions corresponding to the cathode plates; and the separator film attached with the anode plates and the cathode plates being repeatedly folded such that the anode plates and the cathode plates are arranged in an alternating fashion. Thus, the lithium secondary cell has improved performance and particularly safety by preventing a firing caused by high current and excessive voltage charged, while having various shapes and sizes, and a desired capacity and achieving a simplified fabrication.

    Separator for lithium secondary battery and lithium secondary battery comprising the same
    18.
    发明授权
    Separator for lithium secondary battery and lithium secondary battery comprising the same 有权
    锂二次电池用分离器和包含该锂二次电池的锂二次电池

    公开(公告)号:US09196884B2

    公开(公告)日:2015-11-24

    申请号:US13469866

    申请日:2012-05-11

    IPC分类号: H01M10/052 H01M2/16 H01M2/14

    摘要: Disclosed is a separator for a lithium secondary battery and a lithium secondary battery comprising the same. The separator may include a thermoplastic polyolefin-based polymer porous sheet and an aramid-based non-woven fabric sheet stacked on at least one surface of the polyolefin-based polymer porous sheet, wherein the polyolefin-based polymer sheet and the aramid-based non-woven fabric sheet are adhered with an adhesive, and the adhesive loses an adhesive performance at 80° C. or more to separate the two sheets. The separator has a shut-down function and excellent high-temperature shape stability.

    摘要翻译: 公开了一种锂二次电池用隔膜和具备该二次电池的锂二次电池。 隔板可以包括热塑性聚烯烃基聚合物多孔片和堆叠在聚烯烃基聚合物多孔片的至少一个表面上的芳族聚酰胺类非织造布片,其中聚烯烃基聚合物片和芳族聚酰胺类非织造布 用粘合剂粘合编织织物片,并且粘合剂在80℃以上失去粘合性能以分离两片。 分离器具有关闭功能和优异的高温形状稳定性。

    Lithium secondary battery with high safety and manufacturing method thereof
    20.
    发明授权
    Lithium secondary battery with high safety and manufacturing method thereof 有权
    具有高安全性和制造方法的锂二次电池

    公开(公告)号:US08017264B2

    公开(公告)日:2011-09-13

    申请号:US10863814

    申请日:2004-06-08

    摘要: A lithium secondary battery capable of preventing explosion or firing caused by the increase of inner pressure due to misusage is disclosed. The lithium secondary battery includes an electrode assembly having an anode plate, a cathode plate and a separator, a package having a receiving portion for receiving the electrode assembly and sealed and filled with electrolyte together with the electrode assembly, and an adhesive layer at least partially formed on an outer surface of the package. The lithium secondary battery functions as an explosion-proof safety device for preventing the package from exploding due to abrupt breakage of the package when the package is expanded due to the increase of inner pressure of the battery over a critical value.

    摘要翻译: 公开了能够防止因误操作引起的内压增加引起的爆炸或烧毁的锂二次电池。 锂二次电池包括具有阳极板,阴极板和隔板的电极组件,具有用于接收电极组件并且与电极组件一起密封并填充电解质的接收部分的封装,以及至少部分 形成在包装的外表面上。 锂二次电池用作防爆安全装置,用于防止由于电池的内部压力超过临界值而在包装膨胀时由于包装突然断裂而导致的包装爆炸。