公开(公告)号：US20180358646A1

公开(公告)日：2018-12-13

申请号：US15743759

申请日：2017-02-09

Applicant: LG CHEM, LTD.

Inventor： Sung-Chun YU ,  Tae-Young KANG ,  Yong-Joon CHOI

IPC: H01M10/04 ,  H01M2/10 ,  H01M10/613

CPC classification number: H01M10/0413 ,  H01M2/10 ,  H01M2/1083 ,  H01M10/0486 ,  H01M10/613 ,  H01M10/6557 ,  H01M10/6563 ,  H01M10/6566

Abstract: A cartridge for a secondary battery includes a cooling channel in which an upper cooling plate and a lower cooling plate are respectively coupled to an upper rim and a lower rim of a ring-shaped main frame having a hollow central area to face each other, the cooling channel being formed in a space between the upper cooling plate and the lower cooling plate, and the main frame includes an opening configured to form an inlet and an outlet of the cooling channel by passing through the main frame in a lateral direction, the opening having an edge area chamfered such that a diameter thereof expands in an outward direction.

公开(公告)号：US20160093880A1

公开(公告)日：2016-03-31

申请号：US14865397

申请日：2015-09-25

Applicant: LG CHEM, LTD.

Inventor： Jin-Oh SONG ,  Yong-Joon CHOI ,  Won-Chan PARK ,  Kyoung-Ho KIM

IPC: H01M4/36 ,  F26B3/28 ,  H01M4/62

CPC classification number: F26B3/28 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/62 ,  H01M4/622 ,  H01M4/661

Abstract: Disclosed is a method for manufacturing an electrode, which comprises drying an electrode sheet including a current collector and an electrode active material slurry coated to the current collector and containing an electrode active material, a binder and a solvent, wherein the electrode sheet is dried by a mid-infrared lamp which irradiates mid-infrared rays with a wavelength of 1 μm to 3 μm to the electrode sheet, and a surface temperature of the electrode sheet has a constant region in the range of 50° C. to 70° C. Since an electrode is dried by using a mid-infrared lamp, the electrode may be uniformly dried, and an adhesion force between the electrode active material layer and the current collector may be greatly improved, which allows great enhancement of characteristics of a battery to which the electrode is applied.

Abstract translation: 公开了一种电极的制造方法，其特征在于，干燥包含集电体的电极片和涂布在集电体上的电极活性物质浆料，并含有电极活性物质，粘合剂和溶剂，其中电极片被 向电极片照射波长为1μm〜3μm的中红外线的中红外线灯，电极片的表面温度为50℃〜70℃的恒定区域。 由于通过使用中红外线灯来干燥电极，所以可以均匀地干燥电极，并且可以大大提高电极活性物质层与集电体之间的粘附力，能够大幅提高电池的特性， 施加电极。

公开(公告)号：US20190312319A1

公开(公告)日：2019-10-10

申请号：US16345327

申请日：2018-07-05

Applicant: LG CHEM, LTD.

Inventor： Yong-Joon CHOI ,  Hwa-Joong KIM ,  Jun-Yeob SEONG ,  Sung-Chun YU

IPC: H01M10/613 ,  H01M10/6554 ,  H01M10/6556 ,  H01M10/625 ,  H01M2/10

Abstract: Disclosed is a cartridge for battery cells, which includes: an upper cooling plate and a lower cooling plate having a plate shape and spaced to face each other, a cooling channel is formed between the upper cooling plate and the lower cooling plate; a main frame surrounding an outer circumference of the upper cooling plate and an outer circumference of the lower cooling plate with battery cells placed on an upper portion and a lower portion of the main frame; and a support portion disposed at the cooling channel and having at least one support rib protruding in at least one of an upper direction and a lower direction, the at least one support rib supporting the upper cooling plate and the lower cooling plate.

公开(公告)号：US20190189979A1

公开(公告)日：2019-06-20

申请号：US15759043

申请日：2017-01-26

Applicant: LG CHEM, LTD.

Inventor： Yong-Joon CHOI ,  Tae-Young KANG ,  Do-Hyeon KIM ,  Hwa-Joong KIM ,  Duck-Hee MOON ,  Jun-Yeob SEONG ,  Sung-Chun YU

IPC: H01M2/10 ,  H01M10/04 ,  H01M2/30

CPC classification number: H01M2/1016 ,  G01R31/36 ,  H01M2/10 ,  H01M2/1077 ,  H01M2/20 ,  H01M2/206 ,  H01M2/30 ,  H01M10/0472 ,  H01M10/482 ,  H01M2220/20

Abstract: The present disclosure provides a battery module capable of stably maintaining contact of electrode leads while having a simple structure and high assemblability. The battery module of the present disclosure includes: a cell assembly including a plurality of secondary batteries and a plurality of cartridges, the secondary batteries being vertically arranged and including electrode leads, the cartridges being vertically stacked to accommodate the secondary batteries in an inner space thereof; and a sensing assembly mounted on a front side of the cell assembly and including an insulation housing formed of an electrically insulative material and a sensing bus bar formed of an electrically conductive material, the sensing assembly being coupled to the electrode leads to sense voltages of the secondary batteries, wherein the insulation housing includes a plurality of penetration holes vertically spaced apart from each other to receive the electrode leads therethrough, and a plurality of housing slant portions arranged in the penetration holes and sloped at a predetermined angle from a horizontal direction.

公开(公告)号：US20180301674A1

公开(公告)日：2018-10-18

申请号：US15762284

申请日：2016-09-28

Applicant: LG CHEM, LTD.

Inventor： Gang-U LEE ,  Jun-Yeob SEONG ,  Sung-Chun YU ,  Yong-Joon CHOI

IPC: H01M2/10 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556

Abstract: A cartridge for secondary batteries, according to the present disclosure, includes a main frame including at least four unit frames connected to each other at ends thereof to provide a cavity inside the four unit frames, wherein at least some of the unit frames have openings penetrating therethrough in a horizontal direction and two or more main frames are configured to be vertically stackable on one another, an upper cooling plate having a plate shape, including an upper bonding portion serving as edges and boned to the main frame, and arranged to cover the cavity, and a lower cooling plate having a plate shape, including a lower bonding portion serving as edges and boned to the main frame, and spaced apart from the upper cooling plate by a predetermined distance to face the upper cooling plate and generating a cooling channel between the upper and lower cooling plates.

公开(公告)号：US20190051875A1

公开(公告)日：2019-02-14

申请号：US16078754

申请日：2017-09-20

Applicant: LG CHEM, LTD.

Inventor： Yong-Joon CHOI ,  Do-Hyeon KIM ,  Hwa-Joong KIM ,  Jun-Yeob SEONG ,  Sung-Chun YU

IPC: H01M2/10 ,  H01M10/04 ,  B60L11/18

Abstract: Disclosed is a battery pack for a vehicle, which includes a pack case forming an appearance of the battery pack, a static electricity inducing pattern forming a conductor pattern of a predetermined form on a BMS circuit board provided in the pack case and a discharge terminal connected to the static electricity inducing pattern, and a cable connector for both communicating and grounding, which is composed of a pack connector having a first connection portion configured to be connected to a data transmission terminal on the BMS circuit board and a second connection portion configured to be connected to the discharge terminal, and a vehicle connector connected to the pack connector by a harness cable and installed to the pack case to be exposed out through a connector mounting hole formed through the pack case.

公开(公告)号：US20180309100A1

公开(公告)日：2018-10-25

申请号：US15571446

申请日：2016-10-24

Applicant: LG CHEM, LTD.

Inventor： Hwa-Joong KIM ,  Tae-Young KANG ,  Jun-Yeob SEONG ,  Sung-Chun YU ,  Yong-Joon CHOI

IPC: H01M2/10 ,  H01M2/02 ,  H01M10/42 ,  B60L11/18

Abstract: Provided are a battery module and a battery pack including the same. The battery module includes: a cartridge assembly in which a plurality of cartridges, each accommodating a battery cell, are stacked on each other; a cover surrounding the cartridge assembly; a bushing member inserted through the cartridge assembly and the cover, and protruding to the outside of the cover by a pre-set interval; and a locking member inserted into the bushing member and locking the cover.

公开(公告)号：US20180138484A1

公开(公告)日：2018-05-17

申请号：US15574239

申请日：2016-07-11

Applicant: LG CHEM, LTD.

Inventor： Yong-Joon CHOI ,  Ki-Youn KIM ,  Duck-Hee MOON ,  Jun-Yeob SEONG ,  Sung-Chun YU ,  Gang-U LEE ,  Jung-Hang LEE ,  Sang-Yoon JEONG

IPC: H01M2/20 ,  H01M2/10 ,  H01M10/42

CPC classification number: H01M2/206 ,  H01M2/10 ,  H01M2/1077 ,  H01M2/20 ,  H01M2/202 ,  H01M2/204 ,  H01M10/425 ,  H01M10/4257 ,  H01M2010/4271 ,  H01M2220/20

Abstract: Disclosed are an electrode lead connecting structure capable of simplifying an assembly process of busbars by integrating sensing and electrode busbars, and of minimizing worker's mistakes during the assembly process by almost horizontally arranging busbars on a printed circuit board for each level, a battery module including the electrode lead connecting structure, and a battery pack including the battery module. An electrode lead connecting structure according to the present disclosure includes a printed circuit board, first and second electrode-integrated sensing busbars provided at a lowest level of one side edge of the printed circuit board and at a highest level of an opposite side edge of the printed circuit board, respectively, a first sensing busbar group located on the first L-shaped end strip busbar at the one side edge, and a second sensing busbar group located under the second L-shaped end strip busbar at the opposite side edge.

公开(公告)号：US20180047951A1

公开(公告)日：2018-02-15

申请号：US15552566

申请日：2016-06-15

Applicant: LG CHEM, LTD.

Inventor： Gang-U LEE ,  Sang-Yoon JEONG ,  Jun-Yeob SEONG ,  Ki-Youn KIM ,  Sung-Chun YU ,  Duck-Hee MOON ,  Jung-Hang LEE ,  Yong-Joon CHOI

IPC: H01M2/10 ,  H01M10/655 ,  H01M2/12 ,  H01M10/625 ,  H01M10/6557 ,  H01M10/6563 ,  H01M10/613 ,  H01M10/04

CPC classification number: H01M2/10 ,  H01M2/043 ,  H01M2/1077 ,  H01M2/12 ,  H01M2/1252 ,  H01M10/0413 ,  H01M10/613 ,  H01M10/625 ,  H01M10/655 ,  H01M10/6551 ,  H01M10/6557 ,  H01M10/6563 ,  H01M2220/20

Abstract: The present disclosure discloses a battery pack suitable for improving cooling efficiency of a cooling duct for battery cells in a battery module by reducing a sealing area between a lower case and an upper case configured to fully surround the battery module. The battery pack according to the present disclosure includes a battery module including battery cells sequentially stacked and a cooling duct located on side of the battery cells; a lower case configured to load the battery module and the cooling duct therein; and an upper case coupled to the lower case so as to cover the battery module and the cooling duct, the upper case having a vent structure on the cooling duct. The vent structure has, on the cooling duct, an inner air passage unit opened at a sidewall of the upper case, and an outer air passage unit inserted into the inner air passage unit.

公开(公告)号：US20180175465A1

公开(公告)日：2018-06-21

申请号：US15571125

申请日：2016-09-29

Applicant: LG CHEM, LTD.

Inventor： Yong-Joon CHOI ,  Ki-Youn KIM ,  Duck-Hee MOON ,  Jun-Yeob SEONG ,  Sung-Chun YU ,  Gang-U LEE ,  Jung-Hang LEE ,  Sang-Yoon JEONG

IPC: H01M10/613 ,  H01M10/6556 ,  H01M10/6563 ,  H01M2/10

Abstract: Provided is a battery module having improved sealing properties of a cooling duct. The battery module includes a battery stack, in which an inlet of an air flow path is opened at one side and an outlet of the air flow path is opened at another side, and a plurality of cooling ducts combined to two side portions of the battery stack to respectively communicate with the inlet of the air flow path and the outlet of the air flow path. At least one of the plurality of cooling ducts includes a plug accommodating part defining a through hole, and a harness accommodating plug air-tightly inserted into the through hole and having a plurality of wire accommodating holes. The harness accommodating plug passes a wire of the internal harness or a wire of the external harness through the wire accommodating hole. The internal harness and the external harness are electrically combined around the harness accommodating plug.