公开(公告)号：US20180138562A1

公开(公告)日：2018-05-17

申请号：US15574314

申请日：2016-06-14

Applicant: LG CHEM, LTD.

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

IPC: H01M10/613 ,  H01M10/6552 ,  H01M10/6556 ,  H01M2/10 ,  H01M10/625

CPC classification number: H01M10/613 ,  H01M2/10 ,  H01M2/1077 ,  H01M2/1088 ,  H01M10/625 ,  H01M10/6552 ,  H01M10/6556 ,  H01M2220/20

Abstract: Provided is a battery module suitable for cooling battery cells between battery cartridges within a short period of time by including cooling ducts at side portions of the battery cartridges to restrict inflow of air from the cooling ducts to air paths of the battery cartridges. The battery module includes: a battery stack including battery cartridges having air induction holes protruding from grooves at side surfaces of the battery cartridges and air paths communicating with the air induction holes, at least one battery cell alternately stacked with the battery cartridges; a sealing member including an outer sealing frame and sealing ribs located in the grooves of the battery stack, and middle sealing frames located between the air induction holes; and a cooling duct including a groove portion covering the grooves and accommodating the outer sealing frame.

公开(公告)号：US20180040863A1

公开(公告)日：2018-02-08

申请号：US15554809

申请日：2016-04-28

Applicant: LG CHEM, LTD.

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

IPC: H01M2/10 ,  H01M10/04 ,  H01M2/02

CPC classification number: H01M2/1016 ,  H01M2/02 ,  H01M2/10 ,  H01M10/045

Abstract: The present disclosure relates to a battery pack having improved assemblability, processability, and productivity, and configured to reduce manufacturing costs and enhance the scalability and durability of a pack case. The battery pack includes: a cell assembly including a plurality of secondary cells and a plurality of cartridges, the cartridges being configured to be stacked on one another and to accommodate the secondary cells while surrounding outer circumferential portions of the secondary cells from outsides of the secondary cells; a lower housing having an empty inner space to accommodate the cell assembly in the inner space, the lower housing being opened on an upper side thereof; a lower end plate including a plate-shaped metallic material and placed in surface contact with a lower surface of the lower housing; and a lower cover placed on a lower portion of the lower end plate to cover the lower end plate, the lower cover being fixedly coupled to the lower housing.

公开(公告)号：US20180053921A1

公开(公告)日：2018-02-22

申请号：US15555703

申请日：2016-04-28

Applicant: LG CHEM, LTD.

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

IPC: H01M2/10 ,  H01M10/058 ,  H01M2/04 ,  H01M2/08 ,  H01M2/02

CPC classification number: H01M2/1077 ,  H01M2/0207 ,  H01M2/0237 ,  H01M2/0287 ,  H01M2/0456 ,  H01M2/08 ,  H01M10/052 ,  H01M10/058 ,  H01M10/0587 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6555 ,  H01M10/6561 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

Abstract: The present disclosure relates to a battery pack having improved assemblability, processability, and durability, and configured to stably maintain a stack of cartridges. According to an aspect of the present disclosure, the battery pack includes: vertically arranged secondary cells each including an electrode assembly, an electrolyte, and a pouch-type case; vertically stacked cartridges accommodating the secondary cells in inner spaces thereof and including coupling holes; a lower end plate including a plate-shaped metallic material and placed on a lower portion of a stack of the secondary cells and the cartridges; a first fastening member fixed to the lower end plate; and a second fastening member having an elongated shape so as to stand on the lower end plate in a direction perpendicular to the lower end plate, a lower end portion of the second fastening member coupled to the first fastening member, the second fastening member being inserted through coupling holes of the cartridges.