公开(公告)号：US20190280268A1

公开(公告)日：2019-09-12

申请号：US16302973

申请日：2018-01-12

Applicant: LG CHEM, LTD.

Inventor： Je Jun LEE ,  Do Gyun KIM ,  Kwang Su HWANGBO ,  Sang Sok JUNG

IPC: H01M2/10 ,  B65D5/50 ,  B65D71/70 ,  B65D77/04 ,  C09K15/02 ,  C08K3/28 ,  C08K3/22 ,  C08F10/06 ,  C08J5/18 ,  C08J7/04 ,  C09D5/08 ,  C09D133/00

Abstract: The present disclosure relates to a battery cell tray, which is a tray configured to accommodate a plurality of cylinder type battery cells in a storage of a first packaging member, including a first tray member having a plate type structure in which a plurality of first recessed portions surrounding one side end portions of the battery cells are formed; and a second tray member having a plate type structure in which a plurality of second recessed portions surrounding the other side end portions facing the one side end portions of the battery cells are formed, and the first and second tray members includes a volatile rust inhibitor which is vaporized at room temperature to form a rust-proofing film on surfaces of the battery cells.

公开(公告)号：US20140178725A1

公开(公告)日：2014-06-26

申请号：US14177631

申请日：2014-02-11

Applicant: LG CHEM, LTD.

Inventor： Do Gyun KIM ,  Dong-Myung KIM ,  Dong Sub LEE ,  Sang Bong NAM ,  Sang Sok JUNG

IPC: H01M10/04

CPC classification number: H01M10/0431 ,  H01M2/022 ,  H01M2/06 ,  H01M2/36 ,  H01M10/052 ,  H01M10/0587 ,  Y02E60/122 ,  Y02T10/7011

Abstract: Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case and a plate-shaped insulator is mounted on top of the jelly-roll, wherein the insulator has a porous structure in which a plurality of fine pores communicate in a longitudinal direction, or in traverse and longitudinal directions.

Abstract translation: 公开了一种二次电池，其具有将具有阴极/隔板/阳极结构的胶卷安装在圆筒形电池壳体中并且板状绝缘体安装在胶卷的顶部上的结构，其中绝缘体具有 多孔结构，其中多个细孔在纵向方向或横向和纵向方向上连通。

公开(公告)号：US20140162102A1

公开(公告)日：2014-06-12

申请号：US14177647

申请日：2014-02-11

Applicant: LG CHEM, LTD.

Inventor： Do Gyun KIM ,  Dong-Myung KIM ,  Dong Sub LEE ,  Sang Bong NAM ,  Sang Sok JUNG

IPC: H01M10/04

CPC classification number: H01M10/0431 ,  H01M2/023 ,  H01M2/361 ,  H01M10/052 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulator mounted on the top of the jelly-roll includes a molded article made of a polymer resin or a polymer composite and a plurality of fine pores is perforated through the molded article.

Abstract translation: 公开了一种二次电池，其具有将具有阴极/隔板/阳极结构的胶卷安装在圆筒形电池壳体中的结构，其中安装在果冻辊顶部的板状绝缘体包括制成的模制品 的聚合物树脂或聚合物复合物，并且多个细孔穿过模制品。

公开(公告)号：US20210083333A1

公开(公告)日：2021-03-18

申请号：US16954422

申请日：2018-12-21

Applicant: LG CHEM, LTD.

Inventor： Byoung Gu LEE ,  Do Gyun KIM ,  Je Jun LEE ,  Sang Suk JUNG ,  Hang Soo SHIN

IPC: H01M10/42 ,  H01M10/48 ,  H01M10/02 ,  C09J133/08 ,  C09J11/06 ,  C09J7/22 ,  G01N21/80

Abstract: The present invention relates to a washer for a secondary battery including a film layer and an adhesive layer disposed on at least one surface of the film layer, wherein the adhesive layer includes an adhesive component and an indicator component, and the indicator component is fat-soluble, a secondary battery including the same, and a method for manufacturing the washer.

公开(公告)号：US20180309112A1

公开(公告)日：2018-10-25

申请号：US15948105

申请日：2018-04-09

Applicant: LG CHEM, LTD.

Inventor： Do Gyun KIM ,  Sang Sok JUNG ,  Byoung Kook LEE ,  Byoung Gu LEE ,  Hang Soo SHIN ,  Geon Woo MIN ,  Chan Bae KIM

IPC: H01M2/34 ,  H01M2/26 ,  H01M10/0525 ,  H01M2/02

CPC classification number: H01M2/34 ,  H01M2/0202 ,  H01M2/021 ,  H01M2/0275 ,  H01M2/06 ,  H01M2/26 ,  H01M10/0525 ,  Y02T10/7011

Abstract: Disclosed herein is a pouch-shaped secondary battery including a micro-perforated electrode lead having adhesive properties that is capable of enabling a short circuit to occur in the pouch-shaped secondary battery using the adhesive properties of the micro-perforated electrode lead with respect to a pouch-shaped battery case in order to secure the safety of the pouch-shaped secondary battery when the pouch-shaped secondary battery swells due to gas generated in the pouch-shaped secondary battery while the pouch-shaped secondary battery is in an abnormal state or when the pouch-shaped secondary battery is overcharged. Current is prevented from flowing in the pouch-shaped secondary battery when the pouch-shaped secondary battery is overcharged or when the pouch-shaped secondary battery is in an abnormal state.

公开(公告)号：US20140154543A1

公开(公告)日：2014-06-05

申请号：US14172527

申请日：2014-02-04

Applicant: LG CHEM, LTD.

Inventor： Do Gyun KIM ,  Dong-Myung KIM ,  Dong Sub LEE ,  Sang Bong NAM ,  Sang Sok JUNG

IPC: H01M10/04

CPC classification number: H01M10/0431 ,  H01M2/1606 ,  H01M10/045 ,  H01M10/052 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulator mounted on the top of the jelly-roll includes a woven fabric or a knit fabric made of fibers.

Abstract translation: 公开了一种二次电池，其具有将具有阴极/隔板/阳极结构的胶卷安装在圆筒形电池壳体中的结构，其中安装在胶卷辊顶部的板状绝缘体包括机织织物或 由纤维制成的针织物。

公开(公告)号：US20130252055A1

公开(公告)日：2013-09-26

申请号：US13906471

申请日：2013-05-31

Applicant: LG Chem, Ltd.

Inventor： Do Gyun KIM ,  Dong-Myung KIM ,  Dong Sub LEE ,  Sang Bong NAM ,  Sang Sok JUNG

IPC: H01M10/04

CPC classification number: H01M10/0431 ,  H01M2/0417 ,  H01M2/043 ,  H01M2/12 ,  H01M2/36 ,  H01M10/0422 ,  H01M10/052 ,  H01M10/0587 ,  H01M2220/20 ,  H01M2220/30 ,  Y02E60/122 ,  Y02T10/7011

Abstract: Disclosed is a secondary battery having a structure in which a jelly-roll having a cathode/separator/anode structure is mounted in a cylindrical battery case, wherein a plate-shaped insulating member is mounted on the top of the jelly-roll and the insulating member includes a perforated inlet enabling gas discharge and penetration of electrode terminals and a plurality of pores with a diameter of 100 μm or less provided over the entire surface of the insulating member.

Abstract translation: 公开了一种二次电池，其具有将具有阴极/隔板/阳极结构的胶卷安装在圆筒形电池壳体中的结构，其中板状绝缘构件安装在胶卷的顶部上，绝缘体 构件包括穿孔入口，其能够在绝缘构件的整个表面上设置气体放电和电极端子的穿透以及直径为100μm或更小的多个孔。

公开(公告)号：US20200185666A1

公开(公告)日：2020-06-11

申请号：US16631591

申请日：2019-01-03

Applicant: LG CHEM, LTD.

Inventor： Byoung Gu LEE ,  Do Gyun KIM ,  Sang Suk JUNG ,  Hang Soo SHIN

IPC: H01M2/02 ,  H01M10/04 ,  H01M10/0525 ,  H01M2/04

Abstract: To solve the above problem, a top insulator for a case of a secondary battery, according to an embodiment of the present invention includes: a glass fiber including crossed weft yarns and warp yarns of raw yarns of the glass fiber; and silicone rubber on at least one surface of the glass fiber.

公开(公告)号：US20180309096A1

公开(公告)日：2018-10-25

申请号：US15949324

申请日：2018-04-10

Applicant: LG CHEM, LTD.

Inventor： Do Gyun KIM ,  Je Jun LEE ,  Kwang Su HWANGBO ,  Sang Suk JUNG ,  Hang Soo SHIN ,  Gil Young LEE

IPC: H01M2/08 ,  H01M2/02 ,  H01M10/04

CPC classification number: H01M2/08 ,  H01M2/0217 ,  H01M2/022 ,  H01M2/023 ,  H01M2/027 ,  H01M2/0285 ,  H01M2/0413 ,  H01M2/046 ,  H01M2/0473 ,  H01M10/0422 ,  H01M10/049

Abstract: Provided are a secondary battery that is capable of preventing a can member from corroding and a method for manufacturing the same. The secondary battery includes a can member defining an outer appearance of the secondary battery, a top cap assembly an opening of the can member, a gasket insulating the can member and the top cap assembly from each other, and a fracture part disposed on an inner circumference of the opening. The fracture part is blocked from the outside by the gasket.

公开(公告)号：US20180287105A1

公开(公告)日：2018-10-04

申请号：US15942694

申请日：2018-04-02

Applicant: LG CHEM, LTD.

Inventor： Gil Young LEE ,  Do Gyun KIM ,  Sang Suk JUNG

IPC: H01M2/04

Abstract: Disclosed is a secondary battery. According to the present invention, a charging/discharging pin is prevented from being separated from a top cap while the secondary is charged and discharged to improve safety during the charging/discharging of the secondary battery. According to an aspect of the present invention, the secondary battery includes a can accommodating an electrode assembly, a top cap provided on an upper portion of the can, and a groove defined in a surface of the top cap and having a shape that is recessed downward. When the top cap is viewed from an upper side, the groove has a closed curve shape.