公开(公告)号：US20130260200A1

公开(公告)日：2013-10-03

申请号：US13905389

申请日：2013-05-30

Applicant: LG CHEM, LTD.

Inventor： Youngkwang YUN ,  Sangbaek RYU ,  Jinsoo LEE ,  SooRyoung KIM ,  Byungjin CHOI ,  Hyang Mok LEE

IPC: H01M10/04

CPC classification number: H01M10/0431 ,  H01M2/0275 ,  H01M2/0287 ,  H01M2/166 ,  H01M2/1673 ,  H01M10/0409 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0587 ,  H01M10/4235 ,  Y02E60/12 ,  Y10T29/49108 ,  Y10T29/49115

Abstract: Provided is a method for fabrication of a jelly-roll type electrode assembly having a cathode/separation membrane/anode laminate structure, including: (a) coating both sides of a porous substrate with organic/inorganic composite layers, each of which includes inorganic particles and an organic polymer as a binder, so as to fabricate a composite membrane; and (b) inserting one end of a sheet laminate comprising a cathode sheet and an anode sheet as well as the composite membrane into a mandrel, winding the sheet laminate around the mandrel, and then, removing the mandrel, wherein the organic/inorganic composite layer includes microfine pores capable of moderating a variation in volume during charge/discharge of a secondary battery and an interfacial friction coefficient between the composite membrane and the mandrel is not more than 0.28.

Abstract translation: 提供一种具有阴极/分离膜/阳极层压结构的胶卷式电极组件的制造方法，其包括：（a）用有机/无机复合层涂覆多孔基材的两面，每层包括无机颗粒 和作为粘合剂的有机聚合物，以制造复合膜; 和（b）将包括阴极片和阳极片的片状叠层的一端以及复合膜插入心轴中，将片状层压体缠绕在心轴上，然后移除心轴，其中有机/无机复合物 层包括能够调节二次电池的充放电期间体积变化的微细孔，并且复合膜和心轴之间的界面摩擦系数不大于0.28。

公开(公告)号：US20160151853A1

公开(公告)日：2016-06-02

申请号：US14903027

申请日：2014-07-09

Applicant: LG CHEM, LTD.

Inventor： Jinsoo LEE ,  Taesu KIM ,  Sangyoon JEONG ,  Bugon SHIN

IPC: B23K9/23 ,  B23K26/00 ,  B23K15/00

CPC classification number: B23K20/10 ,  B23K20/233 ,  B23K20/2336 ,  B23K26/22 ,  B23K26/244 ,  B23K26/32 ,  B23K2101/38 ,  B23K2103/10 ,  B23K2103/12 ,  B23K2103/18

Abstract: Disclosed is a method of welding dissimilar metals, including: preparing a dissimilar metal bus bar composed of a plate-shaped first member made of a first metal and a plate-shaped second member made of a second metal disposed under the first member; folding one side of the dissimilar metal bus bar so that a portion of the second member is located on a portion of the first member; welding a lead made of the first metal on the first member; and welding a lead made of the second metal to the second member located on the portion of the first member, thus solving cracking or corrosion problems of a conventional welding process and also welding an over-lay clad metal with leads, thereby generating economic benefits and increasing the convenience of the welding process.

Abstract translation: 本发明公开了一种焊接异种金属的方法，包括：制备由第一金属制成的板状第一构件和由设置在第一构件下方的第二金属制成的板状第二构件构成的异种金属汇流条; 折叠所述不同金属汇流条的一侧，使得所述第二构件的一部分位于所述第一构件的一部分上; 将由第一金属制成的引线焊接在第一构件上; 并且将由所述第二金属构成的引线焊接到位于所述第一构件的所述部分上的所述第二构件，从而解决了常规焊接工艺的开裂或腐蚀问题，并且还将导线上的叠层金属焊接，从而产生经济效益， 增加焊接过程的便利性。

公开(公告)号：US20160211500A1

公开(公告)日：2016-07-21

申请号：US14913887

申请日：2014-10-17

Applicant: LG Chem, Ltd.

Inventor： Jinsoo LEE ,  Taesu KIM ,  Hyeran JUNG ,  Bugon SHIN

IPC: H01M2/26 ,  H01M4/75 ,  B23K26/323 ,  H01M10/04 ,  B23K26/22 ,  B23K26/0622

CPC classification number: H01M2/26 ,  B23K20/10 ,  B23K20/2275 ,  B23K20/233 ,  B23K20/24 ,  B23K26/0006 ,  B23K26/0622 ,  B23K26/20 ,  B23K26/22 ,  B23K26/244 ,  B23K26/32 ,  B23K26/323 ,  B23K26/354 ,  B23K26/362 ,  B23K26/40 ,  B23K26/402 ,  B23K26/60 ,  B23K2101/32 ,  B23K2101/34 ,  B23K2101/38 ,  B23K2103/05 ,  B23K2103/08 ,  B23K2103/10 ,  B23K2103/12 ,  B23K2103/172 ,  B23K2103/18 ,  B23K2103/20 ,  B23K2103/50 ,  H01M2/22 ,  H01M4/661 ,  H01M4/667 ,  H01M4/70 ,  H01M4/74 ,  H01M4/75 ,  H01M10/0422 ,  H01M10/0436 ,  H01M2220/30

Abstract: Disclosed are a method of welding a metal tab of an electrode layer for a cable battery and an electrode manufactured thereby. This welding method, suitable for welding a metal tab to an electrode including a current collector for a cable battery, a conductive layer formed on the outer surface of the current collector, and a polymer film layer formed on the inner surface of the current collector, includes: a) removing a portion of the conductive layer using a pulse laser, thus exposing the surface of the current collector positioned thereunder, and b) welding a metal tab to the surface of the current collector, thus enabling the welding of a metal tab and an electrode for a cable battery, which has been difficult to achieve using a conventional welding process.

Abstract translation: 公开了一种焊接用于电缆电池的电极层的金属片和由其制造的电极的方法。 这种焊接方法适用于将金属接头焊接到包括用于电缆电池的集电器的电极上，形成在集电器的外表面上的导电层和形成在集电体的内表面上的聚合物膜层， 包括：a）使用脉冲激光器去除导电层的一部分，从而暴露位于其下方的集电体的表面，以及b）将金属接头焊接到集电器的表面，从而能够焊接金属片 以及用于电缆电池的电极，其已经使用常规的焊接工艺难以实现。